Passage: The aircraft took off from Baghdad International Airport en route to Bahrain International Airport at 06:30 UTC with an experienced crew of three: two Belgians, 38-year-old Captain  Éric Gennotte and 29-year-old First Officer Steeve Michielsen, and a Scottish man, 54-year-old flight engineer Mario Rofail. The captain had 3,300 total flight hours, more than half of them logged in the A300. The first officer had 1,275 hours of flight experience and the flight engineer had 13,400 hours of flight experience.

Question: How many were in the flight crew?
three