CREATE TABLE table_41852 ("City" CLOB, "Country" CLOB, "IATA" CLOB, "ICAO" CLOB, "Airport" CLOB)

What is the ICAO when the IATA is ist?
SELECT "ICAO" FROM table_41852 WHERE "IATA" = 'ist'
SELECT "ICAO" FROM "table_41852" WHERE "IATA" = 'ist'