Passage: The aircraft involved in the hijacking was a Boeing 757–222, registration N591UA, delivered to the airline in 1996. The airplane had a capacity of 182 passengers; the September 11 flight carried 37 passengers and seven crew, a load factor of 20 percent, considerably below the 52 percent average Tuesday load factor for Flight 93. The seven crew members were Captain Jason Dahl, First Officer LeRoy Homer Jr., and flight attendants Lorraine Bay, Sandra Bradshaw, Wanda Green, CeeCee Lyles, and Deborah Welsh.

Question: How many crew members were there?
seven