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.

Ex Input:
Context : Essent is part of RWE AG. Essent has 2.3 million customers for electricity and about 2.0 million for gas. 
Answer : RWE

Ex Output:
Which company is the parent company of Essent?


Ex Input:
Context : ``The Next Witness'' is a Nero Wolfe mystery novella by Rex Stout, first published as ``The Last Witness'' in the May 1955 issue of The American Magazine. 
Answer : Nero Wolfe

Ex Output:
The The Next Witness has what character?


Ex Input:
Context : Max Matern was a communist storm trooper who was convicted of murder and executed for his involvement in the assassinations of Police Captains Paul Anlauf and Franz Lenck. 
Answer : murder

Ex Output:

For what crime was Max Matern prosecuted?