Question: who is the secretary of the commonwealth of massachusetts
[{'answer': 'William F. Galvin', 'provenance': [{'wikipedia_id': '3168194', 'title': 'Massachusetts Secretary of the Commonwealth', 'start_paragraph_id': 3, 'start_character': 25, 'end_paragraph_id': 3, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3168194', 'title': 'Massachusetts Secretary of the Commonwealth', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 42, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4406449873975289383}, 'section': 'Section::::Abstract.'}]}]