CREATE TABLE table_41050 ("Date" TEXT, "Opponent" TEXT, "Location" TEXT, "Result" TEXT, "Attendance" FLOAT)

What team was the opponent on 09/20/1975?
SELECT "Opponent" FROM table_41050 WHERE "Date" = '09/20/1975'
SELECT "Opponent" FROM "table_41050" WHERE "Date" = '09/20/1975'