Question: when does the barclays premier league start and end
[{'answer': '11 August 2017', 'provenance': [{'wikipedia_id': '53122929', 'title': '2017–18 Premier League', 'start_paragraph_id': 1, 'start_character': 193, 'end_paragraph_id': 1, 'end_character': 207, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '13 May 2018', 'provenance': [{'wikipedia_id': '53122929', 'title': '2017–18 Premier League', 'start_paragraph_id': 1, 'start_character': 225, 'end_paragraph_id': 1, 'end_character': 236, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]