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_53 (established INTEGER, championships VARCHAR, club VARCHAR)
### Question:
Name the average established for championships less than 1 and club of erie seawolves
### Answer:
SELECT AVG(established) FROM table_name_53 WHERE championships < 1 AND club = "erie seawolves"