Q: 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.
Context : Dr. Jekyll and Sister Hyde is a 1971 British film directed by Roy Ward Baker based on the novella Strange Case of Dr Jekyll and Mr Hyde by Robert Louis Stevenson.
Answer : Strange Case of Dr Jekyll and Mr Hyde
A:
Which is the basis of Dr. Jekyll and Sister Hyde?