What's the area of ask y, with a Municipal code less than 1247?
CREATE TABLE table_35420 (
    "Name" text,
    "Innhabitants" real,
    "Area" real,
    "Mayor" text,
    "Party" text,
    "Municipal code" real,
    "Language form" text
)
SELECT SUM("Area") FROM table_35420 WHERE "Name" = 'askøy' AND "Municipal code" < '1247'
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: What's the area of ask y, with a Municipal code less than 1247? ### Input: CREATE TABLE table_35420 (
    "Name" text,
    "Innhabitants" real,
    "Area" real,
    "Mayor" text,
    "Party" text,
    "Municipal code" real,
    "Language form" text
) ### Response: SELECT SUM("Area") FROM table_35420 WHERE "Name" = 'askøy' AND "Municipal code" < '1247'