Question: how many episodes of yuri on ice are there
[{'answer': '12', 'provenance': [{'wikipedia_id': '52664350', 'title': 'List of Yuri on Ice episodes', 'start_paragraph_id': 1, 'start_character': 115, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52664350', 'title': 'List of Yuri on Ice episodes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 347, 'bleu_score': 0.914255324039653, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4092025972582004724}, 'section': 'Section::::Abstract.'}]}]