Question: what was the period before the enlightenment called
[{'answer': 'Middle Ages', 'provenance': [{'wikipedia_id': '86760', 'title': 'List of time periods', 'start_paragraph_id': 300, 'start_character': 126, 'end_paragraph_id': 300, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Marxian Stages of History.:Feudalism.\n'}]}]