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: PEN NAMES 
Clue: He contributed to the Columbia Review under the name Jean-Louis Incogniteau, perhaps while he was "On the Road"

Answer: jack kerouac


Question: Category: "AI" 
Clue: This often blended rum & juice cocktail is named for a Cuban  town

Answer: daiquiri


Question: Category: 1991 
Clue: In October President Bush named William Barr to replace Dick Thornburgh in this job

Answer:
attorney general