Question: when was the term dark ages first used
[{'answer': '1602', 'provenance': [{'wikipedia_id': '118474', 'title': 'Dark Ages (historiography)', 'start_paragraph_id': 2, 'start_character': 471, 'end_paragraph_id': 2, 'end_character': 475, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '118474', 'title': 'Dark Ages (historiography)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 748, 'bleu_score': 0.9622032542074631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15913896897688981606}, 'section': 'Section::::Abstract.'}]}]