Question: who is the president of mexico in 2018
[{'answer': 'Enrique Peña Nieto', 'provenance': [{'wikipedia_id': '40284813', 'title': '2018 Mexican general election', 'start_paragraph_id': 2, 'start_character': 24, 'end_paragraph_id': 2, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]