Question: Willem Witteveen was shot down aboard a flight carrying how many passengers?
Sentence (from "Malaysia Airlines Flight 17"): Malaysia Airlines Flight 17 (MH17/MAS17) was a scheduled passenger flight from Amsterdam to Kuala Lumpur that was shot down on 17 July 2014 while flying over eastern Ukraine, killing all 283 passengers and 15 crew on board.
Relevant evidence: Yes