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_5 ( frequency VARCHAR, area_served VARCHAR, callsign VARCHAR )

### Question ###
What is the Frequency of Gosford when the Callsign of 2cfm?

### Accurate SQL ###

SELECT frequency FROM table_name_5 WHERE area_served = "gosford" AND callsign = "2cfm"