Question: where does the last name benson come from
[{'answer': 'English origin', 'provenance': [{'wikipedia_id': '4578051', 'title': 'Benson (surname)', 'start_paragraph_id': 1, 'start_character': 41, 'end_paragraph_id': 1, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4578051', 'title': 'Benson (surname)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 203, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15902301984505343852}, 'section': 'Section::::Abstract.'}]}]