user: Question: In how many episodes was Dave's team made up of David Walliams and Louis Walsh?
Columns: ['Episode', 'First broadcast', 'Seans team', 'Daves team', 'Scores']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['3x01', '26 May 2006', 'David Baddiel and Ruth Badger', 'Alan Carr and Ulrika Jonsson', '6–9']
SQL:

assistant: SELECT COUNT("Episode") FROM "Table" WHERE "Daves team" = 'David Walliams and Louis Walsh';