Who was the winning driver of the British Grand Prix where Giuseppe Farina had the fastest lap?
CREATE TABLE table_56480 (
    "Race" text,
    "Circuit" text,
    "Date" text,
    "Pole position" text,
    "Fastest lap" text,
    "Winning driver" text,
    "Constructor" text,
    "Tyre" text,
    "Report" text
)
SELECT "Winning driver" FROM table_56480 WHERE "Fastest lap" = 'giuseppe farina' AND "Race" = 'british grand prix'
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: Who was the winning driver of the British Grand Prix where Giuseppe Farina had the fastest lap? ### Input: CREATE TABLE table_56480 (
    "Race" text,
    "Circuit" text,
    "Date" text,
    "Pole position" text,
    "Fastest lap" text,
    "Winning driver" text,
    "Constructor" text,
    "Tyre" text,
    "Report" text
) ### Response: SELECT "Winning driver" FROM table_56480 WHERE "Fastest lap" = 'giuseppe farina' AND "Race" = 'british grand prix'