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.

Context : The Gewehr 98 (abbreviated G98, Gew 98 or M98) is a German bolt-action Mauser rifle firing cartridges from a 5-round internal clip-loaded magazine that was the German service rifle from 1898 to 1935, when it was replaced by the Karabiner 98k. 
Question : What year did Gewehr 98 come into use?
service entry

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

Context : The Association for Library Service to Children (ALSC) is a division of the American Library Association, and it is the world's largest organization dedicated to library service to children. 
Question : What is Association for Library Service to Children's parent company?

parent company