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_56 (round INTEGER, winning_driver VARCHAR, date VARCHAR)
### Question:
Which Round has the Winning Driver of brendon hartley, and a Date of 27 april?
### Answer:
SELECT MIN(round) FROM table_name_56 WHERE winning_driver = "brendon hartley" AND date = "27 april"