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: GOVERNMENT 
Clue: Under Medicare most Americans this age & over pay a 15% surtax to cover catastrophic illness
[EX A]: 65

[EX Q]: Category: MUSICAL GROUPS 
Clue: This outspoken rap group led by Chuck D. took its name from a song title that ended "Number One"
[EX A]: public enemy

[EX Q]: Category: TV CARTOON THEMES 
Clue: This ape is "For sale, won't you buy 'im, take 'im home and try 'im"
[EX A]:
magilla gorilla