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.
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Question: 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

Answer: What is Empress Dowager Xu's spouse's name?


Question: Context : Tolkien fandom is an international, informal community of fans of the works of J. R. R. Tolkien, especially of the Middle-earth deplorable cultus``. 
Answer : Middle-earth

Answer: The Tolkien fandom is based upon what?


Question: Context : Operation Neretva '93 was an Army of the Republic of Bosnia and Herzegovina (ARBiH) operation against the Croatian Defence Council (HVO) in September 1993 on a 200 km long front from Gornji Vakuf to south of Mostar, one of its largest of the year, on areas which were included in the Croatian Republic of Herzeg-Bosnia. 
Answer : September 1993

Answer:
The point in time of Operation Neretva '93 was when?