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_84 (navy VARCHAR, name VARCHAR, home_port VARCHAR, commissioned VARCHAR)
### Question:
What is the navy for middleton with a home port of portsmouth after 1983?
### Answer:
SELECT navy FROM table_name_84 WHERE home_port = "portsmouth" AND commissioned > 1983 AND name = "middleton"