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.

Input: Consider Input: Context : Prince Caspian (originally published as Prince Caspian: The Return to Narnia) is a high fantasy novel for children by C. S. Lewis, published by Geoffrey Bles in 1951.
Answer : Narnia

Output: Which place does Prince Caspian exist in?

Input: Consider Input: Context : Empress Dowager Xu (, personal name unknown) (died 926), honored as Empress Dowager Shunsheng () during the reign of her son Wang Yan (ne Wang Zongyan), known as Consort Xu with the imperial consort rank Xianfei () 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

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

Input: Consider Input: Context : Palampur Express is a Hindi language television series that airs on Sony TV, which premiered on May 25, 2009.
Answer : Sony
Output: What production company or companies created Palampur Express?