Question: The 2016 Bahrain Grand Prix, was a Formula One motor race that was held on which date, at the Bahrain International Circuit in Sakhir, Bahrain, Lewis Hamilton was the defending race winner, while his Mercedes team-mate, Nico Erik Rosberg, a German–Finnish former Formula One racing driver, was the Drivers' Championship leader coming into the round?
{'answer': '3 April 2016', 'supporting_facts': [['2016 Bahrain Grand Prix', 0], ['Nico Rosberg', 0]]}