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.

Ex Input:
Context : Lady Zhen (26 January 183 -- 4 August 221), personal name unknown, was the first wife of Cao Pi, the first ruler of the state of Cao Wei in the Three Kingdoms period. 
Answer : Cao Pi

Ex Output:
What is Lady Zhen's spouse's name?


Ex Input:
Context : William J. Archinal (June 3, 1840 -- May 10, 1919) was an American Civil War Union Army soldier who received the Medal of Honor for his actions at the Battle of Vicksburg. 
Answer : American Civil War

Ex Output:
Which war was William J. Archinal a part of?


Ex Input:
Context : ISO 3166-2:SB is the entry for the Solomon Islands 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

Ex Output:

Who set the standards for ISO 3166-2:SB?