user: Question: Which analog channel has a digital channel of 4.1?
Columns: ['Analog Channel', 'Digital Channel', 'Call sign', 'Name', 'Network']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['None', '4.1', 'KXJB-TV', 'KX4', 'CBS']
SQL:

assistant: SELECT "Analog Channel" FROM "Table" WHERE "Digital Channel" = '4.1';