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_89 (year_left VARCHAR, school VARCHAR)
### Question:
What year did a team from North Dearborn leave?
### Answer:
SELECT year_left FROM table_name_89 WHERE school = "north dearborn"