Question: who sang the original song ghost riders in the sky
[{'answer': 'Stan Jones', 'provenance': [{'wikipedia_id': '3029218', 'title': '(Ghost) Riders in the Sky: A Cowboy Legend', 'start_paragraph_id': 1, 'start_character': 151, 'end_paragraph_id': 1, 'end_character': 161, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3029218', 'title': '(Ghost) Riders in the Sky: A Cowboy Legend', 'start_paragraph_id': 8, 'start_character': 90, 'end_paragraph_id': 8, 'end_character': 264, 'bleu_score': 0.5099598349450171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7549472534714221327}, 'section': 'Section::::Recordings.:1948.\n'}]}]