You will be given a definition of a task first, then some input of the task.
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 : Turtle Diary is a 1985 British film about ''people rediscovering the joys of life and love,'' based on a screenplay adapted by Harold Pinter from Russell Hoban's novel Turtle Diary, directed by John Irvin, and starring Glenda Jackson, Ben Kingsley, and Michael Gambon.
Answer : John Irvin
Output:
Which director worked on Turtle Diary?