Question: where does the last name ketchum come from
[{'answer': 'England', 'provenance': [{'wikipedia_id': '39472454', 'title': 'Ketchum (surname)', 'start_paragraph_id': 1, 'start_character': 40, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39472454', 'title': 'Ketchum (surname)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 917, 'bleu_score': 0.9606519812135431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5586683692900356728}, 'section': 'Section::::Abstract.'}]}]