Question: The Platonia Dilemma was introduced in the book "Metamagical Themas" which was written by an author born in what year?
Sentence (from "Douglas Hofstadter"): Hofstadter's book "Gödel, Escher, Bach: An Eternal Golden Braid", first published in 1979, won both the Pulitzer Prize for general non-fiction
Relevant evidence: No