instruction:
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.
question:
Context : One night, however, Laius was drunk and fathered Oedipus with her. 
Question : What is Laius's spouse's name?
answer:
spouse


question:
Context : State testing began on 24 November 1974, and the Kh-25 entered production in 1975. 
Question : What year was the service entry date for Kh-25?
answer:
service entry


question:
Context : Brad Larsen was born in Nakusp, British Columbia, but grew up in Vernon, British Columbia. 
Question : What team did Brad Larsen play for?
answer:

drafted by