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 : An oil study for The Sorceress (c. 1911, 61x51cm, in a private collection) shows a model with dark brown hair.
Answer : private collection

SOLUTION: What is the name of the place where The Sorceress can be found?

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

SOLUTION: Which company is the parent company of Essent?

PROBLEM: Context : William Bouverie, 1st Earl of Radnor FRS (26 February 1725 -- 28 January 1776) was a British peer, styled Hon. William Bouverie from 1747 until 1761.
Answer : 28 January 1776

SOLUTION:
The date of death for William Bouverie, 1st Earl of Radnor is what?