The conversation between human and AI assistant.
[|Human|] Which book of Douglas Hofstadter won the Pulitzer Prize?
[|AI|] Douglas Hofstadter's book GÃ¶del, Escher, Bach: An Eternal Golden Braid won the Pulitzer Prize for general nonfiction.
[|Human|] 
Which book of Douglas Hofstadter won the Pulitzer Prize?