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 : Walter Grabmann (20 September 1905 -- 20 August 1992) was a German World War II Luftwaffe Generalmajor. 
Answer : World War II

Ex Output:
In which war did Walter Grabmann participate?


Ex 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

Ex Output:
Which place does Prince Caspian exist in?


Ex Input:
Context : Chen Hsiao-chuan (Chinese: 陳曉娟; pinyin: Chén Xiǎojuān; born in May 18, 1985 in Hualien, Taiwan) is a Taiwanese female football player. 
Answer : female

Ex Output:

Which gender does Chen Hsiao-chuan belong to?