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_15 (rr_nos VARCHAR, builder VARCHAR, year VARCHAR)
### Question:
Name the RR numbers of hudswell clarke and years before 1914
### Answer:
SELECT rr_nos FROM table_name_15 WHERE builder = "hudswell clarke" AND year < 1914