Well, a minor piece can be pinned in front of a queen. It would be legal to move the minor piece in that case, but you'd most likely lose the game if both sides

Well, a minor piece can be pinned in front of a queen. It would be legal to move the minor piece in that case, but you'd most likely lose the game if both sides' material were even before the move. Pinning is a tactic, not a rule.