CREATE TABLE table_11591 ("City" TEXT, "Country" TEXT, "IATA" TEXT, "ICAO" TEXT, "Airport" TEXT)

Which IATA's ICAO is rjss?
SELECT "IATA" FROM table_11591 WHERE "ICAO" = 'rjss'
SELECT "IATA" FROM "table_11591" WHERE "ICAO" = 'rjss'