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 is the name of Humphrey Bogart's character in the film 'Casablanca'?
answer:
rick blaine

question:
Which Italian city is the regional capital of Lombardy?
answer:
milan