CREATE TABLE table_26809 ("Episode no." FLOAT, "Airdate" TEXT, "Viewers" TEXT, "BBC Three weekly ranking" TEXT, "Cable rank" TEXT)

How many individuals watched the show that had a bbc ranking of 6?
SELECT COUNT("Viewers") FROM table_26809 WHERE "BBC Three weekly ranking" = '6'
SELECT COUNT("Viewers") FROM "table_26809" WHERE "BBC Three weekly ranking" = '6'