user: Question: How many original air dates did episode 12 have?h
Columns: ['Episode #', 'Title', 'Directed by', 'Written by', 'Original air date', 'Viewers (in millions)']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '"Pilot"', 'Michael Dinner', 'Vincent Angell, William Rotko', 'January15,2009', '2.45']
SQL:

assistant: SELECT COUNT("Original air date") FROM "Table" WHERE "Episode #" = 12.0;