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


[Q]: Context : Venera Getova (Bulgarian: Венера Гетова, born 13 December 1980 in Pleven) is a female discus thrower from Bulgaria. 
Question : What is the gender of Venera Getova?
[A]: female


[Q]: Context : ``Fionna and Cake'' is the ninth episode of the third season of the American animated television series Adventure Time. 
Question : What series is Fionna and Cake a part of?
[A]:
Adventure Time