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.

Example Input: Category: YOU'VE GOT SHE MAIL 
Clue: In 1848 she wrote to Belgium's King Leopold, "Great events make me quiet and calm; it is only trifles that irritate my nerves"
Example Output: victoria

Example Input: Category: MUSEUMS 
Clue: This city's Accademia features work by native sons Giorgione & Canaletto
Example Output: venice

Example Input: Category: FILE UNDER "X" 
Clue: In 486 B.C. he succeeded his father, Darius the Great, as king of Persia
Example Output:
xerxes