Question: who would have most likely sung the song of roland
[{'answer': 'minstrel', 'provenance': [{'wikipedia_id': '226080', 'title': 'The Song of Roland', 'start_paragraph_id': 14, 'start_character': 447, 'end_paragraph_id': 14, 'end_character': 455, 'bleu_score': 1.0, 'section': 'Section::::Critical opinions.:Oral performance compared to manuscript versions.\n'}]}, {'provenance': [{'wikipedia_id': '226080', 'title': 'The Song of Roland', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 576, 'bleu_score': 0.9156194041969651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5609145753313967288}, 'section': 'Section::::Critical opinions.:Oral performance compared to manuscript versions.\n'}]}]