You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.
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Question: Category: WANNA BET? 
Clue: In the '50s, Edward Thorp fed millions of hands of this game into a computer which figured out how to win at it

Answer: blackjack


Question: Category: MOVIES IN MINIVANS 
Clue: Hey, Minivan!  Turn up this 2006 feature--I want to hear Larry the Cable Guy as a tow truck

Answer: cars


Question: Category: PROVERBS BY INITIALS 
Clue: "A watched P.N.B."

Answer:
pot never boils