Generate a correct and concise answer for the question based on the words in the context.

Q: Context : The GCR Class 1 was a class of steam locomotives designed by John G. Robinson for the Great Central Railway, and introduced to service between December 1912 and 1913. 
Question : What was the year that GCR Class 1 entered service?

A: December 1912
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Q: Context : The Smothers Brothers Comedy Hour was an American comedy and variety show television series hosted by the Smothers Brothers and initially airing on CBS from 1967 to 1969. 
Question : What is the original channel that The Smothers Brothers Comedy Hour played on?

A: CBS
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Q: Context : Wim Taymans (full name Wim Odilia Georges Taymans) is a software developer and Belgian national based in Barcelona, Spain. 
Question : What city is Wim Taymans associated with?

A:
Barcelona
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