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.
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Question: Category: AMERICAN HISTORY 
Clue: On June 21, 1982 he was found not guilty by reason of insanity in the shooting of President Reagan

Answer: john hinckley


Question: Category: POETRY 
Clue: Completes Omar Khayyam's threesome, "Jug of wine, a loaf of bread -- and"

Answer: "thou"


Question: Category: PLAY STATION 
Clue: Stephen Flaherty, not Scott Joplin, wrote the music for this show that's based on a novel by E.L. Doctorow

Answer:
ragtime