CREATE TABLE table_25829 ("Episode #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Viewers  ( in millions ) " TEXT)

How many original air dates did episode 12 have?h
SELECT COUNT("Original air date") FROM table_25829 WHERE "Episode #" = '12'
SELECT COUNT("Original air date") FROM "table_25829" WHERE "Episode #" = '12'