instruction:
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.
question:
Category: HARRY GUYS 
Clue: This trumpet-playing band-leader helped Sinatra get started, & lost him to the Tommy Dorsey band
answer:
harry james


question:
Category: PREPOSITIONAL PHRASES 
Clue: This Bob Seger song gained commercial popularity in Chevy truck ads
answer:
"like a rock"


question:
Category: HISTORY 
Clue: Historic ones of these occurred on St. Bartholomew's Day in 1572 & St. Valentine's Day in 1929
answer:

massacres