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.

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

Category: FORBES' RICHEST PEOPLE 
Clue: Worth $53.5 billion, Carlos Slim, owner of Telmex, became the first person from this country to top the Forbes list
mexico

Category: "G" WHIZ! 
Clue: The only one of Snow White's dwarfs who fits the category

grumpy