user: Question: Which builder has a Built smaller than 1880?
Columns: ['Builder', 'Works no.', 'Built', 'Wheels', 'Notes']
Types: ['text', 'real', 'real', 'text', 'text']
Sample row: ['AB', 219.0, 1880.0, '0-4-0 ST', 'Sold 1885']
SQL:

assistant: SELECT "Builder" FROM "Table" WHERE "Built" < 1880.0;