user: Question: Which Yards has a Attempts of 247
Columns: ['Year', 'Team', 'Attempts', 'Completions', 'Completion %', 'Yards']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2006', 'Nevada', 'Redshirt', 'Redshirt', 'Redshirt', 'Redshirt']
SQL:

assistant: SELECT "Yards" FROM "Table" WHERE "Attempts" = '247';