CREATE TABLE table_21206 ("Episode number Production number" TEXT, "Title" TEXT, "Sydney" FLOAT, "Melbourne" FLOAT, "Brisbane" FLOAT, "Adelaide" FLOAT, "Perth" FLOAT, "TOTAL" FLOAT, "WEEKLY RANK" TEXT, "NIGHTLY RANK" TEXT)

what is the number of weekly rank where the total is 1980000?
SELECT COUNT("WEEKLY RANK") FROM table_21206 WHERE "TOTAL" = '1980000'
SELECT COUNT("WEEKLY RANK") FROM "table_21206" WHERE "TOTAL" = '1980000'