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 : Krippendorf's Tribe is a 1998 American film adaptation of Frank Parkin's novel of the same name, directed by Todd Holland. 
Answer : Frank Parkin
Student:
The Krippendorf's Tribe is based upon what?