how many drivers drove a ferrari in the race ?
CREATE TABLE table_204_473 (
    id number,
    "pos" text,
    "no" number,
    "driver" text,
    "constructor" text,
    "laps" number,
    "time/retired" text,
    "grid" number,
    "points" number
)
SELECT COUNT("driver") FROM table_204_473 WHERE "constructor" = 'ferrari'
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: how many drivers drove a ferrari in the race ? ### Input: CREATE TABLE table_204_473 (
    id number,
    "pos" text,
    "no" number,
    "driver" text,
    "constructor" text,
    "laps" number,
    "time/retired" text,
    "grid" number,
    "points" number
) ### Response: SELECT COUNT("driver") FROM table_204_473 WHERE "constructor" = 'ferrari'