Question: The album in which John Gatchell collaborated with Paul Simon in 1981 was performed in front of how many people?
Sentence (from "John Gatchell"): John E. Gatchell (November 27, 1945 — July 9, 2004) was an American jazz trumpeter who was prolific in New York City recording studios from the 1970s to the mid-1980s.
Relevant evidence: No