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_52 (network VARCHAR, call_sign VARCHAR, virtual_channel VARCHAR)

### Question ###
Call sign of k33ln-ld, and a Virtual channel of 33.5 is what network?

### Accurate SQL ###

SELECT network FROM table_name_52 WHERE call_sign = "k33ln-ld" AND virtual_channel = "33.5"