user: Question: The Dallas Burn had a 12-9-7 record and what number of goals for? 
Columns: ['Club', 'Overall Record', 'Goals For', 'Goals For Avg.', 'Goals Against', 'Goals Against Avg.']
Types: ['text', 'text', 'real', 'text', 'real', 'text']
Sample row: ['New England Revolution', '12-14-2', 49.0, '1.75 (1st)', 49.0, '1.75 (10th)']
SQL:

assistant: SELECT "Goals For" FROM "Table" WHERE "Overall Record" = '12-9-7';