Question: who sang the song keeper of the stars
[{'answer': 'Tracy Byrd', 'provenance': [{'wikipedia_id': '16114579', 'title': 'The Keeper of the Stars', 'start_paragraph_id': 1, 'start_character': 134, 'end_paragraph_id': 1, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16114579', 'title': 'The Keeper of the Stars', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 505, 'bleu_score': 0.9543935743406191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15454558756607992518}, 'section': 'Section::::Abstract.'}]}]