You will be given a definition of a task first, then some input of the task.
Generate a correct and concise answer for the question based on the words in the context.

Context : Beyond Witch Mountain is a 1982 made-for-television film and the second sequel to Escape to Witch Mountain (1975) produced by Walt Disney Productions which originally aired on CBS as an episode of Walt Disney on February 20, 1982.
Question : The Beyond Witch Mountain is based upon what?
Output:
Escape to Witch Mountain