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: HE WAS IN THAT? 
Clue: In 1969, in his pre-"Phantom" days, he played Cornelius Hackl in the film version of "Hello, Dolly!"

A: michael crawford
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Q: Category: QUEEN ELIZABETH II 
Clue: It's Queen Elizabeth's official London residence

A: buckingham palace
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Q: Category: THEATRE 
Clue: This rapper who was slain in Las Vegas in 1996 is the subject of the play "Up Against the Wind"

A:
tupac shakur
****