CREATE TABLE table_6600 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Attendance" CLOB, "Record" CLOB)

Who is the opponent from September 28?
SELECT "Opponent" FROM table_6600 WHERE "Date" = 'september 28'
SELECT "Opponent" FROM "table_6600" WHERE "Date" = 'september 28'