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.

[Q]: Context : Hiram Burnham (1814 -- September 29, 1864) was an officer in the Union Army who commanded a regiment and then a brigade in the Eastern Theater of the American Civil War.
Answer : Union Army
[A]: What military organization did Hiram Burnham belong to?

[Q]: Context : ISO 3166-2:SI is the entry for Slovenia 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
[A]: Who set the standards for ISO 3166-2:SI?

[Q]: Context : The Battle of Civitate (also known as Battle of Civitella del Fortore) was fought on 18 June 1053 in southern Italy, between the Normans, led by the Count of Apulia Humphrey of Hauteville, and a Swabian-Italian-Lombard army, organised by Pope Leo IX and led on the battlefield by Gerard, Duke of Lorraine, and Rudolf, Prince of Benevento.
Answer : 18 June 1053
[A]:
On what date did Battle of Civitate take place?