user: Question: When has a Note of 45/48 renumbered 15/16; two sold to SL&NCR?
Columns: ['Class', 'Type', 'Fleet numbers', 'Quantity made', 'Manufacturer', 'Date made', '1958 CIÉ', '1958 UTA', 'Date withdrawn', 'Notes']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['A', '0-6-0', '28, 31, 33, 79–83, 60–61, 64, 145–146, 149–150', 15.0, 'Beyer, Peacock & Co. (13) Dundalk Works (2)', '1882–1891', '3', '0', '1937–1961', 'Several renumbered; three sold to SL&NCR']
SQL:

assistant: SELECT "Date made" FROM "Table" WHERE "Notes" = '45/48 renumbered 15/16; two sold to SL&NCR';