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


[Q]: Category: "W"HODUNNIT? 
Clue: He was the first U.S. president to be unanimously elected
[A]: george washington


[Q]: Category: HAPPY BIRTHDAY TO US 
Clue: This jazz queen could have scatted "Happy Birthday" for herself & Al Pacino on their birthday, April 25
[A]:
ella fitzgerald