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 : Bernard-Georges-Francois Frere, Count of the Empire, (8 January 1764, in Montreal, Aude -- 16 February 1826, in Paris) was a French soldier of the French Revolutionary Wars, who later rose to the top military rank of General of Division, taking part in the Napoleonic Wars.
Answer : French Revolutionary Wars
In which war did Bernard-Georges-Francois Frere participate?

Context : Elbridge Robinson (January 7, 1844 -- January 19, 1918) was a Union Army soldier during the American Civil War.
Answer : American Civil War
In which war did Elbridge Robinson participate?

Context : ISO 3166-2:GU is the entry for Guam 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:GU?