Detailed Instructions: You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.
Q: Context : The 2011 Beechcraft 65-80 Queen Air crash occurred on 10 December 2011, when a Beechcraft 65-80 Queen Air cargo plane experienced an engine failure and crashed into the Felixberto Serrano Elementary School in Paranaque, Philippines, killing at least 14 people including the three crew members on board the aircraft, and injuring over 20 people.
Subject : 2011 Beechcraft 65-80 Queen Air crash
Relation : point in time
A:
When did 2011 Beechcraft 65-80 Queen Air crash occur?