#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)

using namespace std;

int main() {
    int n;
    cin >> n;
    
    const int M = 100005;
    vector<vector<int>> to(M);
    rep(i, n) {
        int a, b;
        cin >> a >> b;
        to[0].push_back(a);
        to[b].push_back(a);
    }
    
    rep(i, M) ranges::sort(to[i]); 
    
    auto ub = [&](int x, int y) {
        return ranges::upper_bound(to[y], x) - to[y].begin();
    };
    
    int q;
    cin >> q;
    rep(qi, q) {
        int x, y;
        cin >> x >> y;
        int ans = ub(x, 0) - ub(x, y); 
        cout << ans << '\n';
    }
    
    return 0;
}