Question: who is the host of america's most wanted
[{'answer': 'John Edward Walsh Jr.', 'provenance': [{'wikipedia_id': '347086', 'title': 'John Walsh (television host)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '347086', 'title': 'John Walsh (television host)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 603, 'bleu_score': 0.93976396126209, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8897403690540089308}, 'section': 'Section::::Abstract.'}]}]