Question: setting of the story of the song of roland
[{'answer': 'Carolingian era', 'provenance': [{'wikipedia_id': '226080', 'title': 'The Song of Roland', 'start_paragraph_id': 4, 'start_character': 20, 'end_paragraph_id': 4, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Manuscripts and dating.\n'}]}, {'provenance': [{'wikipedia_id': '226080', 'title': 'The Song of Roland', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 277, 'bleu_score': 0.6651405132168701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3426854782533268327}, 'section': 'Section::::Manuscripts and dating.\n'}]}]