CREATE TABLE table_225 ("Week" TEXT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Kickoff [a ]" TEXT, "Game site" TEXT, "TV" TEXT, "Attendance" TEXT, "Record" TEXT)

what is the total number of opponent where date is november 23, 1980
SELECT COUNT("Opponent") FROM table_225 WHERE "Date" = 'November 23, 1980'
SELECT COUNT("Opponent") FROM "table_225" WHERE "Date" = 'November 23, 1980'