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_95 (length VARCHAR, race VARCHAR)
### Question:
What is the length of the First Union six hours at the Glen?
### Answer:
SELECT length FROM table_name_95 WHERE race = "first union six hours at the glen"