CREATE TABLE table_28054 ("Episode no." FLOAT, "Airdate" TEXT, "Dave Viewers" FLOAT, "Dave Rank" FLOAT, "Rank  ( cable ) " FLOAT, "Dave ja vu Viewers" FLOAT, "Total viewers" FLOAT)

How many episodes aired on 25 october 2012?
SELECT COUNT("Total viewers") FROM table_28054 WHERE "Airdate" = '25 October 2012'
SELECT COUNT("Total viewers") FROM "table_28054" WHERE "Airdate" = '25 October 2012'