user: Question: What was the channel that was financed by Commercials?
Columns: ['Channel', 'Description', 'Financed by', 'Owned by', 'Launched']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['NRK1', 'Public Broadcaster', 'Licence', 'Norsk Rikskringkasting', 1960.0]
SQL:

assistant: SELECT "Channel" FROM "Table" WHERE "Financed by" = 'Commercials';