Question: Which Italian European Space Agency astronaut holds the record for the longest uninterrupted spaceflight of a European astronaut (199 days, 16 hours), Samantha Cristoforetti or Roberto Vittori?
{'answer': 'Samantha Cristoforetti', 'supporting_facts': [['Samantha Cristoforetti', 0], ['Samantha Cristoforetti', 1], ['Roberto Vittori', 0]]}