Question: The 2014 WEC 6 Hours of Spa-Francorchamps had a winning team that included the Swiss driver who previously competed for which team in Formula One?
{'answer': 'Scuderia Toro Rosso', 'supporting_facts': [['2014 6 Hours of Spa-Francorchamps', 2], ['Sébastien Buemi', 0]]}