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.

Q: Category: WAITER! 
Clue: To get us started, a serving of this dish named for an oilman: oysters topped with spinach & then baked

A: oysters rockefeller
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Q: Category: LETHAL WEAPONS 
Clue: In the largest man-made explosion in history, the USSR detonated a 50-megaton one of these in 1961

A: a hydrogen bomb
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Q: Category: UNREAL ESTATE 
Clue: In this Happy Hobo Land, there are birds & bees & cigarette trees

A:
big rock candy mountain
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