Where is the headquarters of the airline which has the ICAO code of AAU?
CREATE TABLE table_15637071_1 (headquarters VARCHAR, icao VARCHAR)
SELECT headquarters FROM table_15637071_1 WHERE icao = "AAU"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15637071_1 (headquarters VARCHAR, icao VARCHAR) Question: Where is the headquarters of the airline which has the ICAO code of AAU? [/INST] SELECT headquarters FROM table_15637071_1 WHERE icao = "AAU" </s>