CREATE TABLE table_68855 ("City" TEXT, "Country" TEXT, "IATA" TEXT, "ICAO" TEXT, "Airport" TEXT)

Name the ICAO for IATA of rgn
SELECT "ICAO" FROM table_68855 WHERE "IATA" = 'rgn'
SELECT "ICAO" FROM "table_68855" WHERE "IATA" = 'rgn'