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: GEOLOGISTS 
Clue: In 1957 Sir Vivian Fuchs led the first crossing of this continent; it took 99 days

A: antarctica
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Q: Category: JACKs 
Clue: Explaining why he lost the heavyweight championship to Gene Tunney, he said, "I forgot to duck"

A: jack dempsey
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Q: Category: MOVIE FOLK 
Clue: To get orc war screams for the Helm's Deep battle, this director put phonetic yells on a scoreboard for 25,000 cricket fans

A:
peter jackson
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