Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

[EX Q]: Context : Turkish Airlines Flight 1951 (also known as the Poldercrash) was a passenger flight that crashed during landing at the Amsterdam Schiphol Airport, Netherlands, on 25 February 2009, resulting in the death of nine passengers and crew including all three pilots. 
Question : On what date did Turkish Airlines Flight 1951 occur?
[EX A]: point in time

[EX Q]: Context : Elections to the European Parliament were held in Belgium on June 10, 1979. 
Question : What was the date of Elections to the European Parliament?
[EX A]: point in time

[EX Q]: Context : The Soviets had 411 T-28 tanks when the Germans invaded the Soviet Union in June 1941. 
Question : In which year was the service entry date for T-28?
[EX A]:
service entry