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_57 (fylde INTEGER, burnley INTEGER)
### Question:
What is the average rating for a Flyde that has a Burnley less than 0?
### Answer:
SELECT AVG(fylde) FROM table_name_57 WHERE burnley < 0