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_57 (length VARCHAR, route_name VARCHAR)
### Question:
What is the length of the highway with the route name sh 2?
### Answer:
SELECT length FROM table_name_57 WHERE route_name = "sh 2"