Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_31 (analog_channel VARCHAR, digital_channel VARCHAR)

### Question ###
Which analog channel has a digital channel of 4.1?

### Accurate SQL ###

SELECT analog_channel FROM table_name_31 WHERE digital_channel = "4.1"