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 : Designated MA-31 in US service, the first launch of the missile took place in August 1996. 
Question : In which year was the service entry date for MA-31?
[EX A]: service entry

[EX Q]: Context : At the beginning of the first episode, Spindoe is released from prison, and is surprised to find that his deputy Eddie Edwards (Anthony Bate) is not there to meet him. 
Question : Which place does Spindoe exist in?
[EX A]: narrative location

[EX Q]: Context : Olli Määttä (born 22 August 1994) is a Finnish professional ice hockey defenceman currently playing for the Pittsburgh Penguins of the National Hockey League (NHL). 
Question : What team is Olli Määttä associated with?
[EX A]:
drafted by