Which Subregion has a No P. of 4, and a Pop/Area (1/km ) of 534?
CREATE TABLE table_62219 (
    "Name" text,
    "Area (km\u00b2)" real,
    "Pop." real,
    "Pop/Area (1/km\u00b2)" real,
    "No P." real,
    "No C./No T." text,
    "Subregion" text
)
SELECT "Subregion" FROM table_62219 WHERE "No P." = '4' AND "Pop/Area (1/km\u00b2)" = '534'
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 Subregion has a No P. of 4, and a Pop/Area (1/km ) of 534? ### Input: CREATE TABLE table_62219 (
    "Name" text,
    "Area (km\u00b2)" real,
    "Pop." real,
    "Pop/Area (1/km\u00b2)" real,
    "No P." real,
    "No C./No T." text,
    "Subregion" text
) ### Response: SELECT "Subregion" FROM table_62219 WHERE "No P." = '4' AND "Pop/Area (1/km\u00b2)" = '534'