Mark 8:5
"And he asked them, How many loaves have ye? And they said, Seven."
Cross References (ranked by relevance)
Mark 6:38
He saith unto them, How many loaves have ye? go and see. And when they knew, they say, Five, and two fishes.
Matthew 15:34
And Jesus saith unto them, How many loaves have ye? And they said, Seven, and a few little fishes.
Luke 9:13
But he said unto them, Give ye them to eat. And they said, We have no more but five loaves and two fishes; except we should go and buy meat for all this people.