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: TV TIME 
Clue: From the planet Melmac, this title TV character liked to eat cats

A: alf
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Q: Category: U.S. HISTORY 
Clue: The Cajuns migrated to Louisiana from there

A: nova scotia
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Q: Category: OTHER PLANETS' MOONS 
Clue: Jupiter's Callisto is covered with these, but unlike those on our moon they've mostly collapsed on themselves

A:
craters
****