What was the average attendance when marathon was the away team?
CREATE TABLE table_name_6 (
    attendance INTEGER,
    away VARCHAR
)
SELECT AVG(attendance) FROM table_name_6 WHERE away = "marathon"
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 was the average attendance when marathon was the away team? ### Input: CREATE TABLE table_name_6 (
    attendance INTEGER,
    away VARCHAR
) ### Response: SELECT AVG(attendance) FROM table_name_6 WHERE away = "marathon"