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.

Example Input: Context : June 1942, the Aichi H9A was employed in a variety of second-line roles, including anti-submarine missions along the Japanese coasts, transport, paratroop training and liaison. 
Question : What was the year that Aichi H9A entered service?
Example Output: service entry

Example Input: Context : The Swimming Reindeer is the name given to a 13,000-year-old Magdalenian sculpture of two swimming reindeer conserved in the British Museum. 
Question : What is the name of the place where Swimming Reindeer can be found?
Example Output: collection

Example Input: Context : Taban Air Flight 6437 was a scheduled domestic flight that crashed on landing at Mashhad, Iran on 24 January 2010. 
Question : What date is associated with Taban Air Flight 6437?
Example Output:
point in time