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: KINGS NAMED GUSTAV 
Clue: Current king Carl XVI Gustaf met his wife at this event in Munich in 1972; she was an interpreter

A: summer olympics
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Q: Category: THE HISTORY OF APRIL 9th 
Clue: 1959: NASA publicly introduces Messrs. Glenn, Shepard & the rest of this program's 7 astronauts

A: mercury
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Q: Category: TEAM NAME'S THE SAME 
Clue: Sacramento & Los Angeles

A:
the kings
****