CREATE TABLE table_80194 ("City" CLOB, "Country" CLOB, "IATA" CLOB, "ICAO" CLOB, "Airport" CLOB)

What is the ICAO of Douala city?
SELECT "ICAO" FROM table_80194 WHERE "City" = 'douala'
SELECT "ICAO" FROM "table_80194" WHERE "City" = 'douala'