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.

Ex Input:
Category: THE NATIONAL MUSEUM OF HEALTH & MEDICINE 
Clue: Among lesser-known body parts at the museum, see the leg Gen. Daniel Sickles lost at this July 1863 battle

Ex Output:
gettysburg


Ex Input:
Category: QUEEN ELIZABETH II 
Clue: It's Queen Elizabeth's official London residence

Ex Output:
buckingham palace


Ex Input:
Category: THE IMPRESSIONISTS 
Clue: Pierre-Auguste Renoir was born in this city known for its porcelain & even apprenticed as a china painter at age 13

Ex Output:

limoges