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 Q]: 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 A]: Which place does Prince Caspian exist in?

[EX Q]: Context : NGC 6886 is a planetary nebula in the constellation Sagitta. 
Answer : Sagitta
[EX A]: In which constellation is NGC 6886?

[EX Q]: Context : Oliver Mellor (born 30 January 1981 in Windsor, Berkshire) is a British actor and former personal trainer, perhaps best known for playing the role of Dr. Matt Carter in ITV soap opera Coronation Street since 20 August 2010 but departed the show on 5 April 2013 after a 3-year stint on the show. 
Answer : personal trainer
[EX A]:
What was Oliver Mellor's occupation?