Head to Head Williams driver comparison for 2014 season.
[{'label': 'Felipe Massa', 'data': [20, 10, 11, 11, 12, 11, 11, 9, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7]}, {'label': 'Valtteri Bottas', 'data': [5, 8, 8, 7, 7, 7, 8, 7, 5, 5, 5, 5, 4, 6, 6, 4, 4, 6, 4]}]