Head to Head Lotus-BRM driver comparison for 1967 season.
[{'label': 'Jim Clark', 'data': [16, None, None, None, None]}, {'label': 'Piers Courage', 'data': [10, None, None, None, None]}, {'label': 'Graham Hill', 'data': [17, 3, None, None, None]}, {'label': 'Chris Irwin', 'data': [None, None, 14, None, None]}, {'label': 'Mike Fisher', 'data': [None, None, None, 25, 28]}, {'label': 'Moisés Solana', 'data': [None, None, None, None, 39]}]