instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
Henry VIII had six wives, but which of his wives had four husbands?
answer:
catherine parr

question:
What was J.F.K. airport originally called?
answer:
idlewild

question:
In which of the Marx Brothers' films did Groucho Marx play the character 'Rufus T. Firefly, Prime Minister of Freedonia'?
answer:
duck soup