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.

Category: AROUND THE HOUSE 
Clue: A silent butler is used to collect these during or after a meal
crumbs

Category: HEY, "D.J." 
Clue: James Buchanan Brady's gem of a moniker
diamond jim

Category: "B" IN BIOLOGY 
Clue: This layer of fat helps maintain a whale's body temperature at 93-99 F., & that's nothing to cry over

blubber