user: Question: Which GWR numbers had a quantity less than 2 when the M&SWJ number was 9?
Columns: ['Manufacturer', 'Type', 'Quantity', 'M&SWJ Nos.', 'GWR Nos.']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Beyer, Peacock & Co.', '0-4-4T', 1.0, '15', '23']
SQL:

assistant: SELECT "GWR Nos." FROM "Table" WHERE "Quantity" < 2.0 AND "M&SWJ Nos." = '9';