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

Context : ISO 3166-2:ZA is the entry for South Africa 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:ZA?
International Organization for Standardization

Context : Peter Reville (5 October 1904 -- 4 March 1970), Christened ''Henry James'', but adopted his father's Christian name, was an Australian rules footballer who played with South Melbourne and Fitzroy in the Victorian Football League (VFL).
Question : What was Peter Reville's career?
Australian rules footballer

Context : Brigadier-General Edward Murray Colston, 2nd Baron Roundway, CMG, DSO, MVO (1880--1944), was a British Army officer in the 2nd Boer War and World War I.
Question : To which branch did Edward Murray Colston, 2nd Baron Roundway belong?
British Army