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_94 (vertical_relief__ft_ INTEGER, rank VARCHAR, location VARCHAR)
### Question:
What is the mean vertical relief in feet when the rank is more than 40 and the location is va0573?
### Answer:
SELECT AVG(vertical_relief__ft_) FROM table_name_94 WHERE rank > 40 AND location = "va0573"