Question: David Hein is a playwright who is best known for co-writing which musical that is set in the week following the September 11 attacks?
Sentence (from "Come from Away"): It is set in the week following the September 11 attacks and tells the true story of what transpired when 38 planes were ordered to land unexpectedly in the small town of Gander, Newfoundland, as part of Operation Yellow Ribbon.
Relevant evidence: Yes