Question: who was the first president of the united states why was he the choice of all
[{'answer': 'George Washington', 'provenance': [{'wikipedia_id': '40449', 'title': '1788–89 United States presidential election', 'start_paragraph_id': 1, 'start_character': 194, 'end_paragraph_id': 1, 'end_character': 211, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'George Washington was enormously popular'}]