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_69 (tied VARCHAR, mountain_west VARCHAR, years VARCHAR)
### Question:
How many games tied for the air force with over 57 years participating?
### Answer:
SELECT COUNT(tied) FROM table_name_69 WHERE mountain_west = "air force" AND years > 57