With less than 1 Championship, what es the Established date of the Niagara Rugby Union League?
CREATE TABLE table_name_40 (
    established INTEGER,
    championships VARCHAR,
    league VARCHAR
)
SELECT SUM(established) FROM table_name_40 WHERE championships < 1 AND league = "niagara rugby union"
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: With less than 1 Championship, what es the Established date of the Niagara Rugby Union League? ### Input: CREATE TABLE table_name_40 (
    established INTEGER,
    championships VARCHAR,
    league VARCHAR
) ### Response: SELECT SUM(established) FROM table_name_40 WHERE championships < 1 AND league = "niagara rugby union"