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.

[EX Q]: Category: IN THE PAST MILLENNIUM 
Clue: In 1066 this group conquered England
[EX A]: normans

[EX Q]: Category: FAMILIAR PHRASES 
Clue: Pool table piece you don't want to be "behind"
[EX A]: the 8 ball

[EX Q]: Category: NAME THAT PREZ 
Clue: Had been president of Columbia University
[EX A]:
dwight david eisenhower