Generate a correct and concise answer for the question based on the words in the context.

Context : ISO 3166-2:IO is the entry for the British Indian Ocean Territory 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:IO?
International Organization for Standardization

Context : Caspar Wolf (Muri, Aargau, 3 May 1735 -- Heidelberg, 6 October 1783) was a Swiss painter, known mostly for his dramatic paintings of Alps.
Question : What was Caspar Wolf's career?
painter

Context : Jaidip Mukerjea (born 21 April 1942, in Kolkata) is a retired professional tennis player from India.
Question : What city is Jaidip Mukerjea associated with?
Kolkata