#include<bits/stdc++.h>
#define LINT long long int

using namespace std;

struct Comp {
    int start_time;
    int end_time;
    int cost;

    Comp(int s, int e, int c) : start_time(s), end_time(e), cost(c){}

    Comp() : start_time(0), end_time(0), cost(0){}
};

int main()
{
    int a;
    cin >> a;
    vector<pair<int, LINT> > s; // cost
    vector<pair<int, LINT> > s1; // time
    vector<Comp> vc(a, *(new Comp()));
    for (auto& x : vc) {
        cin >> x.start_time >> x.end_time >> x.cost;
    }
    sort(vc.begin(), vc.end(), [](Comp& a, Comp& b){return a.start_time < b.start_time;});
    LINT prev = 0;
    for (const auto& x : vc) {
        prev += x.cost;
        s.push_back({x.start_time, prev});
    }
    sort(vc.begin(), vc.end(), [](Comp& a, Comp& b){return a.end_time < b.end_time;});
    prev = 0;
    for (const auto& x : vc) {
        prev += x.end_time - x.start_time;
        s1.push_back({x.end_time, prev});
    }
    int b;
    cin >> b;
    for (int i = 0; i < b; ++i) {
        int a1, a2, a3;
        cin >> a1 >> a2 >> a3;
        if (a3 == 1) {
            auto l = upper_bound(s.begin(), s.end(), pair<int, LINT>({a1, INT64_MIN}));
            auto r = upper_bound(l, s.end(), pair<int, LINT>({a2, INT64_MAX}));
            if (r == s.begin()) {
                cout << 0 << ' ';
                continue;
            }
            if (l == s.begin()) {
                r--;
                cout << r->second << ' ';
                continue;
            }
            l--;
            r--;
            cout << r->second - l->second << ' ';
        } else {
            auto l = upper_bound(s1.begin(), s1.end(), pair<int, LINT>({a1, INT64_MIN}));
            auto r = upper_bound(l, s1.end(), pair<int, LINT>({a2, INT64_MAX}));
            if (r == s1.begin()) {
                cout << 0 << ' ';
                continue;
            }
            if (l == s1.begin()) {
                r--;
                cout << r->second << ' ';
                continue;
            }
            l--;
            r--;
            cout << r->second - l->second << ' ';
        }
    }
}