Question: where is the lost city of el mirador
[{'answer': 'El Petén , Guatemala', 'provenance': [{'wikipedia_id': '401649', 'title': 'El Mirador', 'start_paragraph_id': 1, 'start_character': 175, 'end_paragraph_id': 1, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '401649', 'title': 'El Mirador', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 194, 'bleu_score': 0.8498644646741501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16610949952008065030}, 'section': 'Section::::Abstract.'}]}]