Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_17709 ( "Club" text, "Overall Record" text, "Goals For" real, "Goals For Avg." text, "Goals Against" real, "Goals Against Avg." text )

### Question ###
The Dallas Burn had a 12-9-7 record and what number of goals for?

### Accurate SQL ###

SELECT "Goals For" FROM table_17709 WHERE "Overall Record" = '12-9-7'