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: AMERICAN EXPLORERS 
Clue: After being led there by a local, Hiram Bingham claimed he "discovered" this lost Incan city in Peru

Answer: machu picchu


Question: Category: OLD TESTAMENT WOMEN 
Clue: Leah bore Jacob 6 sons & this only known daughter; "someone's in the kitchen with" her

Answer: dinah


Question: Category: CLASSIC ROCK LYRICS 
Clue: Jan & Dean sang that there were "two girls for every boy" here

Answer:
"surf city"