Question: who wrote willie nelson always on my mind
[{'answer': 'Johnny Christopher', 'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 1, 'start_character': 38, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mark James', 'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 1, 'start_character': 58, 'end_paragraph_id': 1, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Wayne Carson', 'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 1, 'start_character': 74, 'end_paragraph_id': 1, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 1, 'start_character': 30, 'end_paragraph_id': 1, 'end_character': 341, 'bleu_score': 0.637901353335213, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15236710277658595699}, 'section': 'Section::::Abstract.'}]}]