CREATE TABLE table_60282 ("Year" FLOAT, "Date  ( Opening ) " TEXT, "Date  ( Closing ) " TEXT, "Opening Film" TEXT, "Number of Screening" TEXT)

What is the total number of Year(s), when Date (Opening) is 'September 21'?
SELECT COUNT("Year") FROM table_60282 WHERE "Date (Opening)" = 'september 21'
SELECT COUNT("Year") FROM "table_60282" WHERE "Date (Opening)" = 'september 21'