TASK DEFINITION: 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.
PROBLEM: Category: CAN'T SMILE WITHOUT YOU 
Clue: It's the hard outer layer of a tooth

SOLUTION: enamel

PROBLEM: Category: DOT-COM DOOM 
Clue: The release of adverse findings of fact in the case U.S. v. this company helped spur the dot-com bust

SOLUTION: microsoft

PROBLEM: Category: I'LL HAVE SECONDS 
Clue: In 70 A.D. the second temple was destroyed in this city

SOLUTION:
jerusalem