user: Question: Which producer worked with Robert Sproul-Cran as writer?
Columns: ['Film', 'Director(s)', 'Producer(s)', 'Writer(s)', 'Date', 'Award']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Bale (formerly known as Hay Bales)', 'Al Mackay', 'Andrew Ryder', 'Al Mackay', '25/03/2009', '£7,600']
SQL:

assistant: SELECT "Producer(s)" FROM "Table" WHERE "Writer(s)" = 'Robert Sproul-Cran';