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 Addresses (line_1 VARCHAR, address_id VARCHAR); CREATE TABLE Student_Addresses (monthly_rental INTEGER, address_id VARCHAR)
### Question:
What are the line 1 and average monthly rentals of all student addresses?
### Answer:
SELECT T1.line_1, AVG(T2.monthly_rental) FROM Addresses AS T1 JOIN Student_Addresses AS T2 ON T1.address_id = T2.address_id GROUP BY T2.address_id