Question: who sang you were always on my mind first elvis or willie
[{'answer': 'Elvis', 'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 2, 'start_character': 270, 'end_paragraph_id': 2, 'end_character': 275, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1652526', 'title': 'Always on My Mind', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 399, 'bleu_score': 0.9499444758938771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10229456293504775157}, 'section': 'Section::::Abstract.'}]}]