What is the earliest year built for the ship refurbished earlier than 2013?
CREATE TABLE table_14055 (
    "Ship name" text,
    "Year built" real,
    "Last refurbished" real,
    "Length" text,
    "Crew" real,
    "Guests" real,
    "Staterooms" real,
    "Comments" text
)
SELECT MIN("Year built") FROM table_14055 WHERE "Last refurbished" < '2013'
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 earliest year built for the ship refurbished earlier than 2013? ### Input: CREATE TABLE table_14055 (
    "Ship name" text,
    "Year built" real,
    "Last refurbished" real,
    "Length" text,
    "Crew" real,
    "Guests" real,
    "Staterooms" real,
    "Comments" text
) ### Response: SELECT MIN("Year built") FROM table_14055 WHERE "Last refurbished" < '2013'