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: QUEEN ELIZABETH II 
Clue: It's Queen Elizabeth's official London residence
Example Output: buckingham palace

Example Input: Category: "FINAL" JEOPARDY! 
Clue: Kim Basinger & Richard Gere starred in this 1992 thriller about a psychiatrist & a troubled client
Example Output: final analysis

Example Input: Category: U.S. HISTORY 
Clue: It's where Lafayette spent the winter of 1777-78
Example Output:
valley forge