Question: who wrote if i never sing another song
[{'answer': 'Don Black', 'provenance': [{'wikipedia_id': '740902', 'title': 'Matt Monro', 'start_paragraph_id': 12, 'start_character': 433, 'end_paragraph_id': 12, 'end_character': 442, 'bleu_score': 1.0, 'section': 'Section::::International success.\n'}]}, {'provenance': [{'wikipedia_id': '740902', 'title': 'Matt Monro', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 421, 'bleu_score': 0.9731482306711111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 677680190595264484}, 'section': 'Section::::His music.\n'}]}]