Head to Head Zakspeed driver comparison for 1988 season.
[{'label': 'Bernd Schneider', 'data': [29, None, 31, 30, 30, 32, 32, 32, 28, 28, 29, 30, 31, 31, 31, 31]}, {'label': 'Piercarlo Ghinzani', 'data': [27, 28, 24, 22, 24, 27, 28, 29, 30, 30, 31, 33, 33, 33, 33, 33]}]