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.

[EX Q]: Category: U.S. CURRENCY 
Clue: Of men pictured on currently printed paper money, he's the one most recently deceased
[EX A]: ulysses s. grant

[EX Q]: Category: U.S. PRESIDENTS 
Clue: During his tenure, he never threw out an opening day first pitch, but before he was president, he did it for the Braves
[EX A]: jimmy carter

[EX Q]: Category: WORLD HISTORY 
Clue: City that was the seat of government of the viceroyalty of New Spain
[EX A]:
mexico city