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 : Ian Boothby is married to Y The Last Man co-creator and artist Pia Guerra. 
Question : What is Ian Boothby's spouse's name?
[EX A]: spouse

[EX Q]: Context : Messier 99 was discovered by Pierre Méchain on March 17, 1781 along . 
Question : What constellation is Messier 99 in?
[EX A]: constellation

[EX Q]: Context : W. L. Siriwardhana was born on 19 June 1938 at Ihalagama, Gampaha. 
Question : What was W. L. Siriwardhana's occupation?
[EX A]:
occupation