#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define flt double
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()

mt19937 rnd(234);
const ll inf = 1e18;

struct Fenwick {
    int n;
    vector<int> t;

    void build(int _n) {
        n = _n;
        t.assign(n + 1, 0);
    }

    void add(int i) {
        i += 1;
        if (i <= 0 || i > n) {
            assert(0);
        }
        while (i <= n) {
            t[i] += 1;
            i = (i | (i - 1)) + 1;
        }
    }

    int get(int r) {
        r += 1;
        if (r <= 0) {
            return 0;
        }
        r = min(r, n);
        int rs = 0;
        while (r > 0) {
            rs += t[r];
            r = (r & (r - 1));
        }
        return rs;
    }
};

struct ask {
    int u, v;
    int d;
};

struct bbr {
    int d, f, i;
};

int n, q;
vector<vector<int>> g;
vector<ask> asks;
vector<int> sz;
vector<int> vmp;
vector<int> pr, ppr;
vector<int> dpth, dstx, dsty;
vector<vector<bbr>> b1, b2, b3, b4;
Fenwick f1, f2, f3;
vector<int> rs;

void dfs1(int v, int p) {
    sz[v] = 1;
    int mx_sz_i = -1;
    int mx_sz = -1;
    for (int i = 0; i < (int)g[v].size(); i += 1) {
        int to = g[v][i];
        if (to == p) {
            continue;
        }
        dfs1(to, v);
        sz[v] += sz[to];
        if (sz[to] > mx_sz) {
            mx_sz = sz[to];
            mx_sz_i = i;
        }
    }
    if (mx_sz_i != -1) {
        swap(g[v][0], g[v][mx_sz_i]);
    }
    for (int i = 0; i < (int)g[v].size(); i += 1) {
        int to = g[v][i];
        if (to == p) {
            g[v].erase(g[v].begin() + i);
            break;
        }
    }
}

void dfs2(int v, int &c) {
    vmp[v] = c;
    c++;
    for (auto to : g[v]) {
        dfs2(to, c);
    }
}

void hld_reorder() {
    sz.resize(n);
    dfs1(0, -1);
    vmp.resize(n);
    int c = 0;
    dfs2(0, c);
    vector<vector<int>> ng(n, vector<int>());
    for (int v = 0; v < n; v += 1) {
        for (auto to : g[v]) {
            ng[vmp[v]].push_back(vmp[to]);
        }
    }
    g.swap(ng);
    for (auto &a : asks) {
        a.u = vmp[a.u];
        a.v = vmp[a.v];
    }
}

void dfs3(int v, int p, int pp, int h, int y) {
    dpth[v] = h;
    pr[v] = p;
    ppr[v] = pp;
    dsty[v] = y;
    dstx[v] = 0;
    sz[v] = 1;
    for (int i = 0; i < (int)g[v].size(); i += 1) {
        int to = g[v][i];
        if (i == 0) {
            dfs3(to, v, pp, h + 1, y + 1);
            dstx[v] = dstx[to] + 1;
        } else {
            dfs3(to, v, to, h + 1, 0);
        }
        sz[v] += sz[to];
    }
}

void build() {
    hld_reorder();
    sz.resize(n);
    pr.resize(n);
    ppr.resize(n);
    dpth.resize(n);
    dstx.resize(n);
    dsty.resize(n);
    dfs3(0, -1, 0, 0, 0);
}

void dfs4(int v, int bnd, int h, int x) {
    f1.add(h);
    f2.add(h + x);
    for (auto to : g[v]) {
        if (to == bnd) {
            continue;
        }
        dfs4(to, bnd, h + 1, x);
    }
}

void dfs5(int v, int bnd, int h, int x) {
    f3.add(h + x);
    for (auto to : g[v]) {
        if (to == bnd) {
            continue;
        }
        dfs4(to, bnd, h + 1, x);
    }
}

void solve_rec(int v) {
    f1.build(sz[v]);
    f2.build(sz[v]);
    f3.build(sz[v]);
    vector<int> way;
    int u = v;
    while (1) {
        way.push_back(u);
        int bnd = -1;
        if (!g[u].empty()) {
            bnd = g[u][0];
        }
        dfs4(u, bnd, 0, dstx[u]);
        for (auto [d, f, i] : b1[u]) {
            rs[i] += f * f1.get(d);
        }
        for (auto [d, f, i] : b2[u]) {
            rs[i] += f * f2.get(d);
        }
        if (g[u].empty()) {
            break;
        }
        u = g[u][0];
    }
    reverse(all(way));
    for (auto u : way) {
        int bnd = -1;
        if (!g[u].empty()) {
            bnd = g[u][0];
        }
        dfs5(u, bnd, 0, dsty[u]);
        for (auto [d, f, i] : b3[u]) {
            rs[i] += f * f3.get(d);
        }
    }
    for (auto [d, f, i] : b4[v]) {
        rs[i] += f * f3.get(d);
    }
    u = v;
    while (1) {
        for (int i = 1; i < (int)g[u].size(); i += 1) {
            solve_rec(g[u][i]);
        }
        if (g[u].empty()) {
            break;
        }
        u = g[u][0];
    }
    // g[n + 1].push_back(0);
}

void solve() {
    rs.assign(q, 0);
    build();
    b1.assign(n, {});
    b2.assign(n, {});
    b3.assign(n, {});
    b4.assign(n, {});
    for (int i = 0; i < q; i += 1) {
        auto a = asks[i];
        auto [u, v, d] = a;
        while (ppr[u] != ppr[v]) {
            if (dpth[ppr[u]] > dpth[ppr[v]]) {
                b1[u].push_back(bbr{d, 1, i});
                if (!g[u].empty()) {
                    b3[g[u][0]].push_back(bbr{d + dsty[u], 1, i});
                }
                b4[ppr[u]].push_back(bbr{d - 1, -1, i});
                u = pr[ppr[u]];
            } else {
                b1[v].push_back(bbr{d, 1, i});
                if (!g[v].empty()) {
                    b3[g[v][0]].push_back(bbr{d + dsty[v], 1, i});
                }
                b4[ppr[v]].push_back(bbr{d - 1, -1, i});
                v = pr[ppr[v]];
            }
        }
        if (dpth[u] > dpth[v]) {
            b1[u].push_back(bbr{d, 1, i});
            if (!g[u].empty()) {
                b3[g[u][0]].push_back(bbr{d + dsty[u], 1, i});
            }
            if (v != ppr[v]) {
                b1[pr[v]].push_back(bbr{d, -1, i});
            }
            u = v;
        } else {
            b1[v].push_back(bbr{d, 1, i});
            if (!g[v].empty()) {
                b3[g[v][0]].push_back(bbr{d + dsty[v], 1, i});
            }
            if (u != ppr[u]) {
                b1[pr[u]].push_back(bbr{d, -1, i});
            }
            v = u;
        }
        int dst = 1;
        v = pr[v];
        while (v != -1) {
            if (dst > d) {
                break;
            }
            b2[v].push_back(bbr{d + dstx[v] - dst, 1, i});
            dst += (v - ppr[v] + 1);
            b4[ppr[u]].push_back(bbr{d - dst - 1, -1, i});
            v = pr[ppr[v]];
        }
    }
    solve_rec(0);
}

void dfs_bebra(int v, int p, int h, vector<int> &d) {
    d[v] = h;
    for (auto to : g[v]) {
        if (to == p) {
            continue;
        }
        dfs_bebra(to, v, h + 1, d);
    }
}

void solve_slow() {
    hld_reorder();
    for (int v = n - 1; v >= 0; v -= 1) {
        for (auto to : g[v]) {
            g[to].push_back(v);
        }
    }
    rs.assign(q, 0);
    vector<vector<int>> dsts(n, vector<int>(n));
    for (int i = 0; i < n; i += 1) {
        dfs_bebra(i, -1, 0, dsts[i]);
    }
    for (int i = 0; i < q; i += 1) {
        auto [u, v, d] = asks[i];
        for (int j = 0; j < n; j += 1) {
            int dst = (dsts[u][j] + dsts[v][j] - dsts[u][v]) / 2;
            if (dst <= d) {
                rs[i] += 1;
            }
        }
    }
}

void stress() {
    int c = 0;
    while (1) {
        cout << ++c << "\n";
        n = rnd() % 20 + 1;
        vector<vector<int>> mg(n);
        for (int v = 1; v < n; v += 1) {
            int u = rnd() % v;
            mg[u].push_back(v);
            mg[v].push_back(u);
        }
        q = rnd() % 20 + 1;
        vector<ask> masks(q);
        for (int i = 0; i < q; i += 1) {
            int u = rnd() % n;
            int v = rnd() % n;
            int d = rnd() % n;
            masks[i] = ask{u, v, d};
        }
        g = mg;
        asks = masks;
        solve();
    }
}

int32_t main() {
    // stress();
    if (1) {
        ios::sync_with_stdio(0);
        cin.tie(0);
        cout.tie(0);
    }
    cin >> n;
    g.assign(n, vector<int>());
    for (int i = 0; i < n - 1; i += 1) {
        int u, v;
        cin >> u >> v;
        --u;
        --v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    cin >> q;
    asks.resize(q);
    for (int i = 0; i < q; i += 1) {
        int u, v, d;
        cin >> u >> v >> d;
        --u;
        --v;
        asks[i] = ask{u, v, d};
    }
    solve_slow();
    for (int i = 0; i < q; i += 1) {
        cout << rs[i] << "\n";
    }
    return 0;
}

/*
6
1 2
2 3
2 4
1 5
4 6
1
3 3 2


*/