With less than 1 Championship, what es the Established date of the Niagara Rugby Union League?
CREATE TABLE table_38444 (
    "Club" text,
    "League" text,
    "Venue" text,
    "Established" real,
    "Championships" real
)
SELECT SUM("Established") FROM table_38444 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_38444 (
    "Club" text,
    "League" text,
    "Venue" text,
    "Established" real,
    "Championships" real
) ### Response: SELECT SUM("Established") FROM table_38444 WHERE "Championships" < '1' AND "League" = 'niagara rugby union'