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 : 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

Output: The Tolkien fandom is based upon what?


Input: Consider Input: Context : The Curse of Naar is the twentieth book in the award-winning Lone Wolf book series created by Joe Dever. 
Answer : Lone Wolf

Output: Which series is The Curse of Naar apart of?


Input: Consider Input: Context : Desyat Negrityat (Ten Little Niggers, Russian: Десять негритят) is a 1987 Soviet film adaptation of Agatha Christie's novel And Then There Were None It was directed by Stanislav Govorukhin, who also penned the script. 
Answer : Then There Were None


Output: The Desyat Negrityat is based upon what?