Question: Egbert B. Gebstadter is a fictional author who appears in the indexes of books written by an American professor who was 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