How many rounds did Ken Wharton go?
CREATE TABLE table_52267 (
    "Entrant" text,
    "Constructor" text,
    "Chassis" text,
    "Engine" text,
    "Tyre" text,
    "Driver" text,
    "Rounds" text
)
SELECT "Rounds" FROM table_52267 WHERE "Driver" = 'ken wharton'
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 rounds did Ken Wharton go? ### Input: CREATE TABLE table_52267 (
    "Entrant" text,
    "Constructor" text,
    "Chassis" text,
    "Engine" text,
    "Tyre" text,
    "Driver" text,
    "Rounds" text
) ### Response: SELECT "Rounds" FROM table_52267 WHERE "Driver" = 'ken wharton'