Question: What company did the executive who was onboard the September 11th flight to San Francisco work public relations for?
Sentence (from "Mark Bingham"): Bingham was among the passengers who, along with Todd Beamer, Tom Burnett and Jeremy Glick, formed the plan to retake the plane from the hijackers, and led the effort that resulted in the crash of the plane into a field near Shanksville, Pennsylvania, thwarting the hijackers plan to crash the plane into a building in Washington, D.C., most likely either the U.S. Capitol Building or the White House.
Relevant evidence: No