Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_18 (round INTEGER, circuit VARCHAR)
### Question:
Which Round is the lowest one that has a Circuit of donington?
### Answer:
SELECT MIN(round) FROM table_name_18 WHERE circuit = "donington"