user: Question: I want the ends for transfer fee of Free and goals being 0 for Roy Carroll
Columns: ['Nat.', 'Name', 'Since', 'Goals', 'Ends', 'Transfer fee']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['SCO', 'Allan McGregor', '1998', 0.0, 2010.0, 'Youth system']
SQL:

assistant: SELECT "Ends" FROM "Table" WHERE "Transfer fee" = 'Free' AND "Goals" = 0.0 AND "Name" = 'Roy Carroll';