Who is the callsign that has ICAO of SCO?
CREATE TABLE table_name_68 (callsign VARCHAR, icao VARCHAR)
SELECT callsign FROM table_name_68 WHERE icao = "sco"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_68 (callsign VARCHAR, icao VARCHAR) Question: Who is the callsign that has ICAO of SCO? [/INST] SELECT callsign FROM table_name_68 WHERE icao = "sco" </s>