What's the total number built with a chassis code of w108.057?
CREATE TABLE table_12358 (
    "Model" text,
    "Chassis code" text,
    "Production time" text,
    "Number built" real,
    "Engine" text
)
SELECT COUNT("Number built") FROM table_12358 WHERE "Chassis code" = 'w108.057'
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 total number built with a chassis code of w108.057? ### Input: CREATE TABLE table_12358 (
    "Model" text,
    "Chassis code" text,
    "Production time" text,
    "Number built" real,
    "Engine" text
) ### Response: SELECT COUNT("Number built") FROM table_12358 WHERE "Chassis code" = 'w108.057'