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 : NGC 5750 is a barred spiral galaxy with an active galactic nucleus in the constellation Virgo. 
Answer : Virgo

Ex Output:
What constellation does NGC 5750 belong to?


Ex Input:
Context : Empress Dowager Xu (徐太后, personal name unknown) (died 926), honored as Empress Dowager Shunsheng (順聖太后) during the reign of her son Wang Yan (né Wang Zongyan), known as Consort Xu with the imperial consort rank Xianfei (徐賢妃) during the reign of her husband Wang Jian, was an empress dowager of the Chinese Five Dynasties and Ten Kingdoms period state Former Shu. 
Answer : Wang Jian

Ex Output:
What is Empress Dowager Xu's spouse's name?


Ex Input:
Context : According to the contemporary Chronicle of Fredegar, the Battle of Wogastisburg was a battle between Slavs (Sclav, cognomento Winidi) under King Samo and Franks under King Dagobert I in 631. 
Answer : 631

Ex Output:

What is the date when Battle of Wogastisburg happened?