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.

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

Output: jack kerouac


Input: Consider Input: Category: THE CHIEFS 
Clue: This Chief Justice in the Dred Scott decision earlier served as Attorney General under Andrew Jackson

Output: taney


Input: Consider Input: Category: MEDICINE 
Clue: A spinal tap is done to obtain this, abbreviated "CSF"


Output: cerebral spinal fluid