Question: when did the early middle ages start and end
[{'answer': '6th century', 'provenance': [{'wikipedia_id': '532476', 'title': 'Early Middle Ages', 'start_paragraph_id': 1, 'start_character': 143, 'end_paragraph_id': 1, 'end_character': 154, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '10th century CE'}, {'provenance': [{'wikipedia_id': '532476', 'title': 'Early Middle Ages', 'start_paragraph_id': 1, 'start_character': 11, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 0.587416818770096, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17540567701215606771}, 'section': 'Section::::Abstract.'}]}]