user: Question: Name the builder for 4/1906 and works number more than 199
Columns: ['Number', 'Builder', 'Type', 'Date', 'Works number']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'Lima Locomotive Works', '2-truck, 2-cylinder 10-ton Shay', '8/1887', 181.0]
SQL:

assistant: SELECT "Builder" FROM "Table" WHERE "Works number" > 199.0 AND "Date" = '4/1906';