CREATE TABLE table_75831 ("Episode #" FLOAT, "Title" TEXT, "Air Date" TEXT, "Rating" FLOAT, "Share" FLOAT, "18\\u201349" FLOAT, "Viewers" FLOAT, "Rank" TEXT)

What is the total number of Viewers when the rank is #40?
SELECT COUNT("Viewers") FROM table_75831 WHERE "Rank" = '#40'
SELECT COUNT("Viewers") FROM "table_75831" WHERE "Rank" = '#40'