Question: how many episodes are there in who are you school 2015
[{'answer': '16', 'provenance': [{'wikipedia_id': '46327251', 'title': 'Who Are You: School 2015', 'start_paragraph_id': 1, 'start_character': 159, 'end_paragraph_id': 1, 'end_character': 161, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46327251', 'title': 'Who Are You: School 2015', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 299, 'bleu_score': 0.8088236586279891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14263317551519999109}, 'section': 'Section::::Abstract.'}]}]