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.
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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 : Irene Riano (1871-1940) was a British stage actress. 
Question : What was the date of death of Irene Riano?

Answer: date of death


Question: Context : ISO 3166-2:CG is the entry for the Republic of the Congo (called simply ``Congo'' in the standard) in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Question : Who set the standards for ISO 3166-2:CG?

Answer:
standards body