user: Question: How many episodes are numbered 12x03?
Columns: ['Episode', 'First broadcast', 'Seans team', 'Jons team', 'Scores']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['12x01', '23 September 2011', 'Amir Khan and Holly Walsh', 'Richard Ayoade and Josh Widdicombe', '4–1']
SQL:

assistant: SELECT COUNT("First broadcast") FROM "Table" WHERE "Episode" = '12x03';