CREATE TABLE table_22096 ("Rank" FLOAT, "Airport Name" CLOB, "Location" CLOB, "IATA Code" CLOB, "Passengers" CLOB, "% Chg. 2009/10" CLOB)

If the passengers are 15,505,566, what is the iata code?
SELECT "IATA Code" FROM table_22096 WHERE "Passengers" = '15,505,566'
SELECT "IATA Code" FROM "table_22096" WHERE "Passengers" = '15,505,566'