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_82 (week INTEGER, result VARCHAR)
### Question:
How many Weeks have a Result of w 17–13?
### Answer:
SELECT AVG(week) FROM table_name_82 WHERE result = "w 17–13"