user: Question: When BBC Two is the original channel what is the date of original removal?
Columns: ['Programme', 'Date(s) of original removal', 'Original channel', 'Date of return', 'New channel(s)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['The Krypton Factor', '20 November 1995', 'ITV', '1 January 2009', 'N/A (Same channel as original)']
SQL:

assistant: SELECT "Date(s) of original removal" FROM "Table" WHERE "Original channel" = 'BBC Two';