how many races were won by mark skaife ?
CREATE TABLE table_203_271 (
    id number,
    "date" text,
    "series" text,
    "circuit" text,
    "city / state" text,
    "winner" text,
    "team" text,
    "car" text,
    "report" text
)
SELECT COUNT(*) FROM table_203_271 WHERE "winner" = 'mark skaife'
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 races were won by mark skaife ? ### Input: CREATE TABLE table_203_271 (
    id number,
    "date" text,
    "series" text,
    "circuit" text,
    "city / state" text,
    "winner" text,
    "team" text,
    "car" text,
    "report" text
) ### Response: SELECT COUNT(*) FROM table_203_271 WHERE "winner" = 'mark skaife'