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: FAMOUS AMERICANS 
Clue: At his death in 1790, he left 200-year trust funds to the cities of Boston & Philadelphia
[EX A]: benjamin franklin

[EX Q]: Category: POP MUSIC 
Clue: Elvis Presley record which held Billboard #1 singles position for 11 weeks, longest in rock era
[EX A]: \"hound dog\"/\"don\'t be cruel\"

[EX Q]: Category: THE SMITHSONIAN 
Clue: Displayed in a new case in September 1997, it's the centerpiece of the Harry Winston Gallery
[EX A]:
the hope diamond