Can you tell me the total number of Roll that has the Area of aranga?
CREATE TABLE table_51781 (
    "Name" text,
    "Years" text,
    "Area" text,
    "Authority" text,
    "Decile" real,
    "Roll" real
)
SELECT COUNT("Roll") FROM table_51781 WHERE "Area" = 'aranga'
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: Can you tell me the total number of Roll that has the Area of aranga? ### Input: CREATE TABLE table_51781 (
    "Name" text,
    "Years" text,
    "Area" text,
    "Authority" text,
    "Decile" real,
    "Roll" real
) ### Response: SELECT COUNT("Roll") FROM table_51781 WHERE "Area" = 'aranga'