Question: who sang riding on the city of new orleans
[{'answer': 'Steve Goodman', 'provenance': [{'wikipedia_id': '3283018', 'title': 'City of New Orleans (song)', 'start_paragraph_id': 1, 'start_character': 56, 'end_paragraph_id': 1, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3283018', 'title': 'City of New Orleans (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 272, 'bleu_score': 0.923746034997815, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16773043013673035357}, 'section': 'Section::::Abstract.'}]}]