Question: when does ex on the beach start 2017
[{'answer': '20 June 2017', 'provenance': [{'wikipedia_id': '53686361', 'title': 'Ex on the Beach (British series 7)', 'start_paragraph_id': 1, 'start_character': 86, 'end_paragraph_id': 1, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]