user: Question: who is the constructor when the driver is Jenson Button?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Rubens Barrichello', 'Ferrari', '45', '1:25:34.418', '18']
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Driver" = 'Jenson Button';