What is the mean vertical relief in feet when the rank is more than 40 and the location is va0573?
CREATE TABLE table_name_94 (
    vertical_relief__ft_ INTEGER,
    rank VARCHAR,
    location VARCHAR
)
SELECT AVG(vertical_relief__ft_) FROM table_name_94 WHERE rank > 40 AND location = "va0573"
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 mean vertical relief in feet when the rank is more than 40 and the location is va0573? ### Input: CREATE TABLE table_name_94 (
    vertical_relief__ft_ INTEGER,
    rank VARCHAR,
    location VARCHAR
) ### Response: SELECT AVG(vertical_relief__ft_) FROM table_name_94 WHERE rank > 40 AND location = "va0573"