Question: when did elvis presley sing always on my mind
[{'answer': 'March 29 , 1972', 'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 4, 'start_character': 46, 'end_paragraph_id': 4, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Elvis Presley version.\n'}]}, {'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 700, 'bleu_score': 0.8833401627363631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2125431053975755835}, 'section': 'Section::::Elvis Presley version.\n'}]}]