instruction:
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: TRINIDADIAN AMATEUR ICHTHYOLOGISTS 
Clue: This common aquarium fish was named for a Trinidadian clergyman
answer:
guppy


question:
Category: U.S. HISTORY 
Clue: The states admitted to the Union in the 20th century were Alaska, Hawaii & these 3
answer:
arizona, new mexico & oklahoma


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

madame butterfly