between the topped ranked airport , netherlands - amsterdam , & spain - palma de mallorca , what is the difference in the amount of passengers handled ?
CREATE TABLE table_203_340 (
    id number,
    "rank" number,
    "airport" text,
    "passengers handled" number,
    "% change 2011 / 12" number
)
SELECT (SELECT "passengers handled" FROM table_203_340 WHERE "airport" = 'netherlands - amsterdam') - (SELECT "passengers handled" FROM table_203_340 WHERE "airport" = 'spain - palma de mallorca')
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: between the topped ranked airport , netherlands - amsterdam , & spain - palma de mallorca , what is the difference in the amount of passengers handled ? ### Input: CREATE TABLE table_203_340 (
    id number,
    "rank" number,
    "airport" text,
    "passengers handled" number,
    "% change 2011 / 12" number
) ### Response: SELECT (SELECT "passengers handled" FROM table_203_340 WHERE "airport" = 'netherlands - amsterdam') - (SELECT "passengers handled" FROM table_203_340 WHERE "airport" = 'spain - palma de mallorca')