user: Question: What was the number of attempts for Vanderberg on Iowa when the recorded yards were 2,249?
Columns: ['Year', 'Team', 'Attempts', 'Completions', 'Completion %', 'Yards']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2008', 'Iowa', 'Redshirt', 'Redshirt', 'Redshirt', 'Redshirt']
SQL:

assistant: SELECT "Attempts" FROM "Table" WHERE "Team" = 'Iowa' AND "Yards" = '2,249';