user: Question: Which Builder has a Class of Terrier?
Columns: ['Class', 'Wheels', 'Date', 'Builder', 'No. Built']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['G', '4-4-0', '1900', 'Neilson', 5.0]
SQL:

assistant: SELECT "Builder" FROM "Table" WHERE "Class" = 'Terrier';