Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : ISO 3166-2:GL is the entry for Greenland 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. 
Answer : International Organization for Standardization
Who set the standards for ISO 3166-2:GL?

Context : Catherine Wilson (1822 -- 20 October 1862) was a British serial killer who was hanged for one murder, but was generally thought at the time to have committed six others. 
Answer : murder
Which crime Catherine Wilson is considered to have commited?

Context : Victor Villiger (1 September 1868 -- 10 June 1934) was a Swiss-born German chemist and the discoverer of the Baeyer-Villiger oxidation. 
Answer : chemist

What kind of  occupation does Victor Villiger have?