Question: who sang i left her by the river
[{'answer': 'Richard Marx', 'provenance': [{'wikipedia_id': '8892244', 'title': 'Hazard (song)', 'start_paragraph_id': 1, 'start_character': 89, 'end_paragraph_id': 1, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8892244', 'title': 'Hazard (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 195, 'bleu_score': 0.8452785147119851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10392436741042051298}, 'section': 'Section::::Abstract.'}]}]