Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Context : White Banners is a 1938 Warner Bros. drama film starring Claude Rains, Fay Bainter, Jackie Cooper, Bonita Granville, Henry O'Neill, and Kay Johnson.
Answer : Warner Bros.
Student:
Which production company is involved with White Banners?