Which area served has a Callsign of 5ddn?
CREATE TABLE table_name_99 (area_served VARCHAR, callsign VARCHAR)
SELECT area_served FROM table_name_99 WHERE callsign = "5ddn"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_99 (area_served VARCHAR, callsign VARCHAR) Question: Which area served has a Callsign of 5ddn? [/INST] SELECT area_served FROM table_name_99 WHERE callsign = "5ddn" </s>