Which GDP (nominal) has a Population of 5,550,239?
CREATE TABLE table_57855 (
    "Country" text,
    "Population" text,
    "Area (km\u00b2)" text,
    "GDP (nominal)" text,
    "GDP per capita (nominal)" text
)
SELECT "GDP (nominal)" FROM table_57855 WHERE "Population" = '5,550,239'
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: Which GDP (nominal) has a Population of 5,550,239? ### Input: CREATE TABLE table_57855 (
    "Country" text,
    "Population" text,
    "Area (km\u00b2)" text,
    "GDP (nominal)" text,
    "GDP per capita (nominal)" text
) ### Response: SELECT "GDP (nominal)" FROM table_57855 WHERE "Population" = '5,550,239'