user: Question: What channel has a description of the Public Broadcaster?
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 "Description" = 'Public Broadcaster';