Question: where does the last name escobar originate from
[{'answer': 'Spanish', 'provenance': [{'wikipedia_id': '5187707', 'title': 'Escobar', 'start_paragraph_id': 1, 'start_character': 13, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]