CREATE TABLE table_35256 ("Rank" FLOAT, "Airport" CLOB, "Location" CLOB, "Code  ( IATA ) " CLOB, "Total Cargo  ( Metric Tonnes ) " CLOB, "2003 Rank" CLOB, "% Change" CLOB)

What is the IATA code of the airport that has a Total Cargo of 1,838,894 Metric Tonnes?
SELECT "Code (IATA)" FROM table_35256 WHERE "Total Cargo (Metric Tonnes)" = '1,838,894'
SELECT "Code (IATA)" FROM "table_35256" WHERE "Total Cargo (Metric Tonnes)" = '1,838,894'