Question: who did massachusetts send to london to negotiate the legality of their charter
[{'answer': 'Increase Mather', 'provenance': [{'wikipedia_id': '578129', 'title': 'Dominion of New England', 'start_paragraph_id': 44, 'start_character': 58, 'end_paragraph_id': 44, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Glorious Revolution and dissolution.\n'}]}, {'provenance': [{'wikipedia_id': '578129', 'title': 'Dominion of New England', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 1050, 'bleu_score': 0.988795076120877, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6439445682626065339}, 'section': 'Section::::Glorious Revolution and dissolution.\n'}]}]