instruction:
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.
question:
Context : NordStar was founded by Norilsk Nickel and was launched on 17 December 2008, based on local Taimyr Peninsula airlines. 
Answer : Norilsk Nickel
answer:
Which company is the parent company of NordStar?


question:
Context : Hans Christian Heg (21 December 1829 -- 20 September 1863) was a Norwegian-American politician and soldier in the American Civil War from Wisconsin. 
Answer : American Civil War
answer:
In which war did Hans Christian Heg fight?


question:
Context : Pavement Butterfly (German:Großstadtschmetterling) is a 1929 British-German silent film directed by Richard Eichberg and starring Anna May Wong, Alexander Granach and Nien Soen Ling. 
Answer : Richard Eichberg
answer:

The director of Pavement Butterfly is what?