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_36 (division INTEGER, year VARCHAR, reg_season VARCHAR, playoffs VARCHAR)
### Question:
Which Division that has a Reg Season of 1st, western, and Playoffs of champions, and a Year smaller than 2013?
### Answer:
SELECT AVG(division) FROM table_name_36 WHERE reg_season = "1st, western" AND playoffs = "champions" AND year < 2013