Question: what do you call a 9 sided polygon
[{'answer': 'nonagon', 'provenance': [{'wikipedia_id': '39728316', 'title': 'List of polygons', 'start_paragraph_id': 2, 'start_character': 432, 'end_paragraph_id': 2, 'end_character': 439, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]