Question: when did my hero academia season 2 end
[{'answer': 'September 30 , 2017', 'provenance': [{'wikipedia_id': '53743796', 'title': 'List of My Hero Academia episodes', 'start_paragraph_id': 2, 'start_character': 252, 'end_paragraph_id': 2, 'end_character': 273, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]