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 simplicity, answers should be in all lower cased letters.

Q: Category: NATURE 
Clue: Like a tree, you can tell the age of a fish by counting these on its scales

A: rings
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Q: Category: GET YOUR SITH TOGETHER 
Clue: He's 7 feet tall & the Millennium Falcon's first mate, but he's not much of a conversationalist

A: chewbacca
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Q: Category: CIVIL WAR BUFFY 
Clue: The only angel Civil War Buffy met was this "Angel of the Battlefield" with whom she tended the wounded

A:
clara barton
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