Question: who sang only love can break your heart
[{'answer': 'Neil Young', 'provenance': [{'wikipedia_id': '8769089', 'title': 'Only Love Can Break Your Heart', 'start_paragraph_id': 1, 'start_character': 54, 'end_paragraph_id': 1, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8769089', 'title': 'Only Love Can Break Your Heart', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 0.9271474438253491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4576227272924736437}, 'section': 'Section::::Abstract.'}]}]