CREATE TABLE table_19011 ("Rank" FLOAT, "Airport" TEXT, "Total Passengers" FLOAT, "% Change 2008/2009" TEXT, "International Passengers" FLOAT, "Domestic Passengers" FLOAT, "Transit Passengers" FLOAT, "Aircraft Movements" FLOAT, "Freight  (  Metric Tonnes  ) " FLOAT)

What is the rank of the airport with freight ( metric tonnes ) of 255121?
SELECT "Rank" FROM table_19011 WHERE "Freight ( Metric Tonnes )" = '255121'
SELECT "Rank" FROM "table_19011" WHERE "Freight ( Metric Tonnes )" = '255121'