user: Question: How many shows were launched on CBS (2002)?
Columns: ['No.', 'Name', 'Country', 'Original channel', 'No. of episodes', 'Running time', 'Launched', 'Date', 'IRST']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'text', 'text', 'text']
Sample row: [1.0, "Lara's Choice", 'Croatia', 'Nova TV (2011)', 182.0, '45 minutes', '28 Jul 2012', 'Saturday to Wednesday', '21:00–22:00']
SQL:

assistant: SELECT COUNT("Launched") FROM "Table" WHERE "Original channel" = 'CBS (2002)';