from collections import defaultdict
n = int(input())
challenges = []
for _ in range(n):
    a, b = map(int, input().split())
    challenges.append((a, b))
by_difficulty = defaultdict(lambda: defaultdict(int))
for difficulty, challenge_type in challenges:
    by_difficulty[difficulty][challenge_type] += 1

q = int(input())
for _ in range(q):
    x, y = map(int, input().split())
    if x == 1000000000:
        print(0)
        continue
    
    count = 0
    for difficulty, types_dict in by_difficulty.items():
        if difficulty <= x:
            count += sum(types_dict.values()) - types_dict.get(y, 0)
    
    print(count)