Question: who wrote the song i'm so lonesome i could cry
[{'answer': 'Hank Williams', 'provenance': [{'wikipedia_id': '4373885', 'title': "I'm So Lonesome I Could Cry", 'start_paragraph_id': 1, 'start_character': 93, 'end_paragraph_id': 1, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]