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.

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
The Tolkien fandom is based upon what?

Context : The Kid Comes Back is a 1938 prizefight film directed by B. Reeves Eason and starring Wayne Morris, Barton MacLane, June Travis and ``Slapsie Maxie'' Rosenbloom. 
Answer : B. Reeves Eason
Who was the director for The Kid Comes Back?

Context : Georg Friedrich von Reichenbach (24 August 1771 -- 21 May 1826), German scientific instrument maker, was born at Durlach in Baden on 24 August 1771. 
Answer : 21 May 1826

When did Georg Friedrich von Reichenbach die?