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.

Example Input: Context : Veolia Water (formerly Vivendi Water, originally Generale des Eaux), is the water division of the French company Veolia Environnement and the world's largest supplier of water services.
Answer : Veolia Environnement
Example Output: What company is Veolia Water part of?

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

Example Input: Context : Three Doors to Death is a collection of Nero Wolfe mystery novellas by Rex Stout, published by the Viking Press in 1950 -- itself collected in the omnibus volume Five of a Kind (Viking 1961).
Answer : Nero Wolfe
Example Output:
The Three Doors to Death is part of a what series?