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: BUSINESS & INDUSTRY 
Clue: This stagecoach company owned the Pony Express during the last few months of its existence

Answer: wells fargo


Question: Category: CALIFORNIA DREAMIN' 
Clue: From the Greek for "I have found it", it's California's one-word motto

Answer:
eureka