CREATE TABLE table_203_340 (id NUMBER, "rank" NUMBER, "airport" CLOB, "passengers handled" NUMBER, "% change 2011 / 12" NUMBER)

where is the most popular destination for passengers leaving london southend airport ?
SELECT "airport" FROM table_203_340 ORDER BY "passengers handled" DESC LIMIT 1
SELECT "airport" FROM "table_203_340" ORDER BY "passengers handled" DESC FETCH FIRST 1 ROWS ONLY