What is the navy for middleton with a home port of portsmouth after 1983?
CREATE TABLE table_56475 (
    "Navy" text,
    "Name" text,
    "Pennant" text,
    "Commissioned" real,
    "Home port" text
)
SELECT "Navy" FROM table_56475 WHERE "Home port" = 'portsmouth' AND "Commissioned" > '1983' AND "Name" = 'middleton'
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 navy for middleton with a home port of portsmouth after 1983? ### Input: CREATE TABLE table_56475 (
    "Navy" text,
    "Name" text,
    "Pennant" text,
    "Commissioned" real,
    "Home port" text
) ### Response: SELECT "Navy" FROM table_56475 WHERE "Home port" = 'portsmouth' AND "Commissioned" > '1983' AND "Name" = 'middleton'