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_55 (tries INTEGER, season VARCHAR, appearance VARCHAR)
### Question:
what is the average tries for the season 2008 warrington wolves with an appearance more than 7?
### Answer:
SELECT AVG(tries) FROM table_name_55 WHERE season = "2008 warrington wolves" AND appearance > 7