What circuit did Rupert Keegan win in round 8?
CREATE TABLE table_name_21 (
    circuit VARCHAR,
    winning_driver VARCHAR,
    round VARCHAR
)
SELECT circuit FROM table_name_21 WHERE winning_driver = "rupert keegan" AND round = 8
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 circuit did Rupert Keegan win in round 8? ### Input: CREATE TABLE table_name_21 (
    circuit VARCHAR,
    winning_driver VARCHAR,
    round VARCHAR
) ### Response: SELECT circuit FROM table_name_21 WHERE winning_driver = "rupert keegan" AND round = 8