CREATE TABLE table_27279 ("Episode #" FLOAT, "Production Count" FLOAT, "Original Airdate" TEXT, "Prod. Code" TEXT, "Title" TEXT, "Viewing Figures Millions" TEXT)

How many episodes were numbered 5?
SELECT COUNT("Production Count") FROM table_27279 WHERE "Episode #" = '5'
SELECT COUNT("Production Count") FROM "table_27279" WHERE "Episode #" = '5'