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 : The Carquinez Bridge refers to parallel bridges spanning the Carquinez Strait, forming part of Interstate 80 between Crockett and Vallejo, in the U.S. state of California. 
Answer : Carquinez Strait

SOLUTION: What river does Carquinez Bridge cross?

PROBLEM: Context : ``The Bolt Who Screwed Christmas'' is an independent animated short film and a parody or satire of ``How the Grinch Stole Christmas!'' written and directed by John Wardlaw and animated by Adny Angrand. 
Answer : How the Grinch Stole Christmas

SOLUTION:
Which is the basis of The Bolt Who Screwed Christmas?