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.

Q: Category: INVENTORS & INVENTIONS
Clue: Invented by Philip Drinker in the 1920s, this closed respirator is used by patients who can't breathe on their own

A: an iron lung
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Q: Category: HEAVYWEIGHT CHAMPS
Clue: This former heavyweight champ failed to regain his title against Gene Tunney in 1927's "Battle of the Long Count"

A: jack dempsey
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Q: Category: GROOVY
Clue: This Simon & Garfunkel tune is also known as "The 59th Street Bridge Song"

A:
"feelin' groovy"
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