CREATE TABLE table_17708 ("Club" CLOB, "Overall Record" CLOB, "Goals For" FLOAT, "Goals For Avg." CLOB, "Goals Against" FLOAT, "Goals Against Avg." CLOB)

The Kansas City Wizards had a 9-10-9 record and what goals against avg?
SELECT "Goals Against Avg." FROM table_17708 WHERE "Overall Record" = '9-10-9'
SELECT "Goals Against Avg." FROM "table_17708" WHERE "Overall Record" = '9-10-9'