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_79 (gwr_nos VARCHAR, quantity VARCHAR, m VARCHAR, swj_nos VARCHAR)
### Question:
Which GWR numbers had a quantity less than 2 when the M&SWJ number was 9?
### Answer:
SELECT gwr_nos FROM table_name_79 WHERE quantity < 2 AND m & swj_nos = "9"