Which Population has a Median family income of $53,946?
CREATE TABLE table_12243 (
    "County" text,
    "Per capita income" text,
    "Median household income" text,
    "Median family income" text,
    "Population" real,
    "Number of households" real
)
SELECT MAX("Population") FROM table_12243 WHERE "Median family income" = '$53,946'
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 Population has a Median family income of $53,946? ### Input: CREATE TABLE table_12243 (
    "County" text,
    "Per capita income" text,
    "Median household income" text,
    "Median family income" text,
    "Population" real,
    "Number of households" real
) ### Response: SELECT MAX("Population") FROM table_12243 WHERE "Median family income" = '$53,946'