from bisect import bisect
from collections import defaultdict

N2 = 10 ** 5 + 1
X = [[0] for _ in range(N2)]
N = int(input())
for _ in range(N):
    a,b = map(int,input().split())
    X[b].append(a)
    X[0].append(a)
for i in range(N2):
    X[i].sort()

for _ in range(int(input())):
    x,y = map(int,input().split())
    print(bisect(X[0],x)-bisect(X[y],x))