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.

Category: FICTIONAL CHARACTERS 
Clue: A Nagasaki geisha who had a child with a man named Glover was the model for this title character
madame butterfly

Category: FAMOUS TEENAGERS 
Clue: This young man who turned 18 on June 21, 2000 has a dog named Widgeon & a younger brother named Harry
prince william

Category: HEALTH & MEDICINE 
Clue: According to the Mayo Clinic, allergies to these are the USA's most common cause of life-threatening allergic reactions

peanuts

