Question: who wrote coming back to life pink floyd
[{'answer': 'David Gilmour', 'provenance': [{'wikipedia_id': '4123303', 'title': 'Coming Back to Life', 'start_paragraph_id': 1, 'start_character': 108, 'end_paragraph_id': 1, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]