CREATE TABLE table_43777 ("City" CLOB, "Country" CLOB, "IATA" CLOB, "ICAO" CLOB, "Airport" CLOB)

What is ICAO, when IATA is 'HKG'?
SELECT "ICAO" FROM table_43777 WHERE "IATA" = 'hkg'
SELECT "ICAO" FROM "table_43777" WHERE "IATA" = 'hkg'