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: WAYNE'S WORLD 
Clue: An airport in Orange County, California is named for this movie "Duke"

Answer: john wayne


Question: Category: IT'S NOT SO 
Clue: Though 4,500 miles long, it's not visible from space, as its materials are similar in color to the surrounding soil

Answer: the great wall of china


Question: Category: FRIENDS IN HISTORY 
Clue: Thinking she's dressed as an Indian for a costume party on Dec. 16, 1773, Phoebe attends this Mass. event

Answer:
boston tea party