Head to Head Williams driver comparison for 2007 season.
[{'label': 'Nico Rosberg', 'data': [7, 8, 9, 8, 8, 10, 11, 11, 11, 13, 12, 10, 10, 9, 9, 9, 9]}, {'label': 'Alexander Wurz', 'data': [None, 11, 12, 14, 12, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 11, None]}, {'label': 'Kazuki Nakajima', 'data': [None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, 22]}]