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: HOSPITALS 
Clue: The Cleveland Clinic tops U.S. News' 1996 ranking of hospitals in this, the study of the heart
answer:
cardiology


question:
Category: MEDICINE & HISTORY 
Clue: Montezuma's real revenge: a 1741 British expedition to conquer Mexico was devastated by this "colorful" disease
answer:
yellow fever


question:
Category: BROADWAY LYRICS 
Clue: Song from "Phantom" that includes the lyrics, "Slowly, gently night unfurls its splendour..."
answer:

"the music of the night"