user: Question: Who is the manufacturer for Henk vd Lagemaat?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Manuel Poggiali', 'Aprilia', '26', '42:14.305', '2']
SQL:

assistant: SELECT "Manufacturer" FROM "Table" WHERE "Rider" = 'Henk vd Lagemaat';