Question: when is the new president of mexico elected
[{'answer': '1 July 2018', 'provenance': [{'wikipedia_id': '40284813', 'title': '2018 Mexican general election', 'start_paragraph_id': 1, 'start_character': 41, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40284813', 'title': '2018 Mexican general election', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 752, 'bleu_score': 0.9589968276238241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2077841405336192138}, 'section': 'Section::::Abstract.'}]}]