Question: how many lines of symmetry does a hexagon has
[{'answer': '9', 'provenance': [{'wikipedia_id': '59733', 'title': 'Hexagon', 'start_paragraph_id': 16, 'start_character': 25, 'end_paragraph_id': 16, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Symmetry.\n'}]}, {'provenance': [{'wikipedia_id': '59733', 'title': 'Hexagon', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 759, 'bleu_score': 0.920107072430949, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16152547402731439640}, 'section': 'Section::::Symmetry.\n'}]}]