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_30 (draws INTEGER, central_murray VARCHAR, byes VARCHAR)
### Question:
What is the average number of draws of the central murray of leitchville gunbower, which has less than 0 byes?
### Answer:
SELECT AVG(draws) FROM table_name_30 WHERE central_murray = "leitchville gunbower" AND byes < 0