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.
--------
Question: Category: QUEEN ELIZABETH II 
Clue: It's Queen Elizabeth's official London residence

Answer: buckingham palace


Question: Category: SOME SCIENCE, SOME NATURE 
Clue: The Hawaiian species of this is also known as the nene

Answer: a goose


Question: Category: NATIONAL BOOK AWARD WINNERS 
Clue: "A Fable" was a winner for this author in 1955

Answer:
william faulkner