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: "TWO" 
Clue: It features Jefferson on the front & the signers of the Declaration on the back

Answer: two-dollar bill


Question: Category: LOW TECH 
Clue: We don't know who invented it, but it appeared on a cart in Mesopotamia over 5,000 years ago

Answer:
wheel