What is the length of the First Union six hours at the Glen?
CREATE TABLE table_name_95 (
    length VARCHAR,
    race VARCHAR
)
SELECT length FROM table_name_95 WHERE race = "first union six hours at the glen"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the length of the First Union six hours at the Glen? ### Input: CREATE TABLE table_name_95 (
    length VARCHAR,
    race VARCHAR
) ### Response: SELECT length FROM table_name_95 WHERE race = "first union six hours at the glen"