Question: who won the popular vote in the 2012 presidential race
[{'answer': 'Barack Obama', 'provenance': [{'wikipedia_id': '20102947', 'title': '2012 United States presidential election', 'start_paragraph_id': 1, 'start_character': 171, 'end_paragraph_id': 1, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]