Question: who wrote song of the south by alabama
[{'answer': 'Bob McDill', 'provenance': [{'wikipedia_id': '20157599', 'title': 'Song of the South (song)', 'start_paragraph_id': 1, 'start_character': 41, 'end_paragraph_id': 1, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20157599', 'title': 'Song of the South (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 532, 'bleu_score': 0.978606533029418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7235687039124572130}, 'section': 'Section::::Abstract.'}]}]