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 consistency, answers should be in all lower cased letters.
question:
Category: HEAVYWEIGHT CHAMPS 
Clue: This former heavyweight champ failed to regain his title against Gene Tunney in 1927's "Battle of the Long Count"
answer:
jack dempsey


question:
Category: "G" WHIZ 
Clue: According to the nursery rhyme, if you were born on a Tuesday, you're full of it
answer:
grace


question:
Category: RUNNING MATES 
Clue: He kept cool with Charles Dawes in 1924
answer:

calvin coolidge