Question: Robert A. Lewis was the co-pilot of the Superfortress bomber that was named after whose mother?
Sentence (from "Enola Gay"): The Enola Gay ( ) is a Boeing B-29 Superfortress bomber, named for Enola Gay Tibbets, the mother of the pilot, Colonel Paul Tibbets, who selected the aircraft while it was still on the assembly line.
Relevant evidence: Yes