What is the IATA code for the airport with an ICAO code of HLLS?
CREATE TABLE table_name_19 (iata VARCHAR, icao VARCHAR)
SELECT iata FROM table_name_19 WHERE icao = "hlls"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_19 (iata VARCHAR, icao VARCHAR) Question: What is the IATA code for the airport with an ICAO code of HLLS? [/INST] SELECT iata FROM table_name_19 WHERE icao = "hlls" </s>