Question: what kind of fly is a green fly
[{'answer': 'blow fly', 'provenance': [{'wikipedia_id': '2171243', 'title': 'Common green bottle fly', 'start_paragraph_id': 1, 'start_character': 52, 'end_paragraph_id': 1, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2171243', 'title': 'Common green bottle fly', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 516, 'bleu_score': 0.858942314510258, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18193427070055903911}, 'section': 'Section::::Abstract.'}]}]