CREATE TABLE table_52405 ("City" TEXT, "Country" TEXT, "Region" TEXT, "IATA" TEXT, "ICAO" TEXT, "Airport" TEXT)

I want the ICAO for city of xi'an
SELECT "ICAO" FROM table_52405 WHERE "City" = 'xi''an'
SELECT "ICAO" FROM "table_52405" WHERE "City" = 'xi\'an'