Head to Head Rial driver comparison for 1989 season.
[{'label': 'Volker Weidler', 'data': [32, 35, 37, 37, 37, 37, 41, 41, 41, 41, None, None, None, None, None, None]}, {'label': 'Christian Danner', 'data': [14, 19, 23, 22, 14, 15, 16, 16, 16, 16, 16, 18, 20, None, None, None]}, {'label': 'Pierre-Henri Raphanel', 'data': [None, None, None, None, None, None, None, None, None, None, 37, 37, 37, 39, 39, 39]}, {'label': 'Gregor Foitek', 'data': [None, None, None, None, None, None, None, None, None, None, None, None, None, 41, None, None]}, {'label': 'Bertrand Gachot', 'data': [None, None, None, None, None, None, None, None, None, None, None, None, None, None, 32, 32]}]