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: QUEEN ELIZABETH II 
Clue: It's Queen Elizabeth's official London residence
[EX A]: buckingham palace

[EX Q]: Category: OPERAS BY CONTINENT 
Clue: "Aida "
[EX A]: africa

[EX Q]: Category: COLONIAL ARTS 
Clue: Meaning "tobacco peddler", it's the title of a 1708 Ebenezer Cooke poem & a 1960 John Barth novel about Cooke
[EX A]:
the sot-weed factor