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 : Q150 was the sequicentenary (150th anniversary) of the Separation of Queensland from New South Wales in 1859. 
Question : What was the date of Q150?
[EX A]: point in time

[EX Q]: Context : TAROM Flight 371 was an Airbus A310 that crashed near Baloteşti in Romania on 31 March 1995. 
Question : When did TAROM Flight 371 occur?
[EX A]: point in time

[EX Q]: Context : Born in New York, Whitney Straight was the son of Major Willard Dickerman Straight and heiress Dorothy Payne Whitney. 
Question : In what military branch did Whitney Straight serve?
[EX A]:
military branch