CREATE TABLE table_40049 ("City" CLOB, "Country" CLOB, "IATA" CLOB, "ICAO" CLOB, "Airport" CLOB)

What is the ICAO for luqa airport?
SELECT "ICAO" FROM table_40049 WHERE "Airport" = 'luqa airport'
SELECT "ICAO" FROM "table_40049" WHERE "Airport" = 'luqa airport'