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_33 (route INTEGER, rank VARCHAR, mountain_pass VARCHAR)
### Question:
What is the route that has a rank higher than 63, and Separation Summit as its mountain pass?
### Answer:
SELECT SUM(route) FROM table_name_33 WHERE rank > 63 AND mountain_pass = "separation summit"