The Dallas Burn had a 12-9-7 record and what number of goals for?
CREATE TABLE table_17709 (
    "Club" text,
    "Overall Record" text,
    "Goals For" real,
    "Goals For Avg." text,
    "Goals Against" real,
    "Goals Against Avg." text
)
SELECT "Goals For" FROM table_17709 WHERE "Overall Record" = '12-9-7'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: The Dallas Burn had a 12-9-7 record and what number of goals for? ### Input: CREATE TABLE table_17709 (
    "Club" text,
    "Overall Record" text,
    "Goals For" real,
    "Goals For Avg." text,
    "Goals Against" real,
    "Goals Against Avg." text
) ### Response: SELECT "Goals For" FROM table_17709 WHERE "Overall Record" = '12-9-7'