CREATE TABLE table_48138 ("City" CLOB, "Country" CLOB, "IATA" CLOB, "ICAO" CLOB, "Airport" CLOB)

what is the airport when the city is d sseldorf?
SELECT "Airport" FROM table_48138 WHERE "City" = 'düsseldorf'
SELECT "Airport" FROM "table_48138" WHERE "City" = 'düsseldorf'