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.

[Q]: Context : Hiram Burnham (1814 -- September 29, 1864) was an officer in the Union Army who commanded a regiment and then a brigade in the Eastern Theater of the American Civil War. 
Question : What military organization did Hiram Burnham belong to?
[A]: military branch


[Q]: Context : Janar Talts (born 7 April 1983) is an Estonian professional basketball player. 
Question : What kind of  occupation does Janar Talts have?
[A]: occupation


[Q]: Context : A female French Legionnaire in the book Sowing Glory by P.C. Wren was referred to by the pseudonym of Mary Ambree in order to protect her identity. 
Question : What is the full date that Mary Ambree crashed on?
[A]:
point in time