Question: who is the current mayor of el paso texas
[{'answer': 'Dee Margo', 'provenance': [{'wikipedia_id': '135823', 'title': 'El Paso, Texas', 'start_paragraph_id': 184, 'start_character': 307, 'end_paragraph_id': 184, 'end_character': 316, 'bleu_score': 1.0, 'section': 'Section::::Government.:City.\n'}]}]