Question: who was the first elected president of the united states
[{'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.'}]}, {'provenance': [{'wikipedia_id': '40449', 'title': '1788–89 United States presidential election', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 411, 'bleu_score': 0.586323563193478, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1388962842071979170}, 'section': 'Section::::Abstract.'}]}]