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_40 (established INTEGER, championships VARCHAR, league VARCHAR)
### Question:
With less than 1 Championship, what es the Established date of the Niagara Rugby Union League?
### Answer:
SELECT SUM(established) FROM table_name_40 WHERE championships < 1 AND league = "niagara rugby union"