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: ROLL OVER, BEETHOVEN 
Clue: Symphony Beethoven "composed to celebrate the memory of a great man"
[A]: eroica


[Q]: Category: ANTHONY HOPKINS FILMS 
Clue: In "Amistad", about an 1839 uprising of Africans on a slave ship, Hopkins played this former president arguing for the defense
[A]: john quincy adams


[Q]: Category: BE A SPORT 
Clue: An early version of this water sport had players riding on barrels painted to look like horses
[A]:
water polo