TASK DEFINITION: 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.
PROBLEM: Context : Gelnhausen railway (Hungen--Gießen) was opened on 29 December 1869 and Hungen station went into operation. 
Answer : 29 December 1869

SOLUTION: When was Hungen station opened?

PROBLEM: Context : Eva Mori (born 13 March 1996) is a Slovenian female volleyball player, playing as a setter. 
Answer : female

SOLUTION: Was Eva Mori male or female?

PROBLEM: Context : The 189th (2nd York and Durham) Brigade was a formation of the British Army during the First World War. 
Answer : British Army

SOLUTION:
Who did 189th (2nd York and Durham) Brigade serve for?