Question: who wrote i won't let you go
[{'answer': 'James Morrison', 'provenance': [{'wikipedia_id': '32975662', 'title': "I Won't Let You Go (James Morrison song)", 'start_paragraph_id': 0, 'start_character': 20, 'end_paragraph_id': 0, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Steve Robson'}, {'answer': 'Martin Brammer'}]