Question: surname of woman who owns pie shop in sweeny todd
[{'answer': 'Lovett', 'provenance': [{'wikipedia_id': '29349', 'title': 'Sweeney Todd', 'start_paragraph_id': 5, 'start_character': 629, 'end_paragraph_id': 5, 'end_character': 635, 'bleu_score': 1.0, 'section': 'Section::::Plot synopsis.\n'}]}, {'provenance': [{'wikipedia_id': '29349', 'title': 'Sweeney Todd', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 1161, 'bleu_score': 0.9357288089262591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2289719900879119533}, 'section': 'Section::::Plot synopsis.\n'}]}]