CREATE TABLE table_21001 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" FLOAT)

How many games were played at Cleveland Stadium?
SELECT COUNT("Date") FROM table_21001 WHERE "Game site" = 'Cleveland Stadium'
SELECT COUNT("Date") FROM "table_21001" WHERE "Game site" = 'Cleveland Stadium'