Given the task definition and input, reply with output. 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 : Beyond the Poseidon Adventure is a 1979 American adventure film, a sequel to the 1972 film The Poseidon Adventure.
Answer : The Poseidon Adventure
Which is the basis of Beyond the Poseidon Adventure?