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: HARRY GUYS 
Clue: This trumpet-playing band-leader helped Sinatra get started, & lost him to the Tommy Dorsey band
[A]: harry james


[Q]: Category: IT'S A GROUP THING 
Clue: (Sarah of the Clue Crew reports from Sea World in San Diego)  It's a term for a stable group of killer whales, so you could say "as alike as two whales in" one of these
[A]: a pod


[Q]: Category: BRAVE NEW WORD 
Clue: Differing from e-mail, correspondence via post office is considered this, as if carried by a gastropod
[A]:
snail mail