Question: how many counties are there in the state of maine
[{'answer': 'sixteen', 'provenance': [{'wikipedia_id': '58281', 'title': 'List of counties in Maine', 'start_paragraph_id': 1, 'start_character': 22, 'end_paragraph_id': 1, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '58281', 'title': 'List of counties in Maine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 712, 'bleu_score': 0.983401048538667, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3989775028865039000}, 'section': 'Section::::Abstract.'}]}]