user: Question: How many episodes were written by Kirstie Falkous & John Regier?
Columns: ['Episode No.', 'Title', 'Directed by', 'Written by', 'Viewers (millions)', 'Original airdate']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '"Going Bodmin"', 'Ben Bolt', 'Dominic Minghella', '9.93', '2September2004']
SQL:

assistant: SELECT COUNT("Episode No.") FROM "Table" WHERE "Written by" = 'Kirstie Falkous & John Regier';