Question: when was say you won't let go released
[{'answer': '9 September 2016', 'provenance': [{'wikipedia_id': '51574370', 'title': "Say You Won't Let Go", 'start_paragraph_id': 1, 'start_character': 127, 'end_paragraph_id': 1, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]