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_74 (format VARCHAR, type VARCHAR, call_letters VARCHAR)

### Question ###
Type of primary, and a Call letters of kbjs has what format?

### Accurate SQL ###

SELECT format FROM table_name_74 WHERE type = "primary" AND call_letters = "kbjs"