Question: where did the term dark ages come from
[{'answer': 'Italian scholar Petrarch', 'provenance': [{'wikipedia_id': '118474', 'title': 'Dark Ages (historiography)', 'start_paragraph_id': 2, 'start_character': 237, 'end_paragraph_id': 2, 'end_character': 261, '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': 731, 'bleu_score': 0.8939424527839671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13022042062104690491}, 'section': 'Section::::Abstract.'}]}]