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"
### Context: CREATE TABLE table_15637071_1 (headquarters VARCHAR, icao VARCHAR) ### Question: Where is the headquarters of the airline which has the ICAO code of AAU? ### Answer: SELECT headquarters FROM table_15637071_1 WHERE icao = "AAU"