Detailed Instructions: Generate a correct and concise answer for the question based on the words in the context.
Q: 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.
Question : What is the name of the director of Turtle Diary?
A:
John Irvin