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 : HD 141937 is a star in the constellation of Libra at a distance of 109 ly. 
Answer : Libra
answer:
Which was the constellation for HD 141937?


question:
Context : Mainova AG was formed in 1998 through the merger of Stadtwerke Frankfurt am Main GmbH and Maingas AG. 
Answer : Stadtwerke Frankfurt
answer:
What is Mainova's parent company?


question:
Context : Emil Molin (born February 3, 1993) is a Swedish professional ice hockey player who is currently playing for the Idaho Steelheads in the ECHL as a prospect for the Dallas Stars of the National Hockey League (NHL). 
Answer : Dallas Stars
answer:

What team does Emil Molin belong to?