CREATE TABLE table_66950 ("Date" CLOB, "Visiting Team" CLOB, "Final Score" CLOB, "Host Team" CLOB, "Stadium" CLOB)

Who was the visiting team that played on September 15?
SELECT "Visiting Team" FROM table_66950 WHERE "Date" = 'september 15'
SELECT "Visiting Team" FROM "table_66950" WHERE "Date" = 'september 15'