user: Question: Who is the builder with a works number of 2534?
Columns: ['Number', 'Name', 'Builder', 'Type', 'Date', 'Works number']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Gordon', 'Avonside Engine Company', '4-6-0', 'Aug 1870', '799']
SQL:

assistant: SELECT "Builder" FROM "Table" WHERE "Works number" = '2534';