Question: the political boss of new york city in the early 1870s was
[{'answer': 'William Magear Tweed', 'provenance': [{'wikipedia_id': '4688', 'title': 'William M. Tweed', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4688', 'title': 'William M. Tweed', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 601, 'bleu_score': 0.868919556420889, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15961023090906450068}, 'section': 'Section::::Abstract.'}]}]