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.

[Q]: Context : Trace of Stones (German: Spur der Steine) is a 1966 East German film by Frank Beyer.
Answer : Spur der Steine
[A]: The Trace of Stones is based upon what?

[Q]: Context : Chiara Boggiatto (born 17 February 1986 in Moncalieri, Turin) is an Italian breaststroke swimmer.
Answer : swimmer
[A]: What kind of occupation does Chiara Boggiatto have?

[Q]: Context : Real Steel is a 2011 American science fiction sports drama film starring Hugh Jackman and Dakota Goyo, co-produced and directed by Shawn Levy for DreamWorks Pictures.
Answer : DreamWorks
[A]:
What production company or companies created Real Steel?