CREATE TABLE table_38638 ("City" TEXT, "Country" TEXT, "IATA" TEXT, "ICAO" TEXT, "Airport" TEXT)

Name the ICAO for julius nyerere international airport
SELECT "ICAO" FROM table_38638 WHERE "Airport" = 'julius nyerere international airport'
SELECT "ICAO" FROM "table_38638" WHERE "Airport" = 'julius nyerere international airport'