Question: what period follows the end of the bronze age in greece
[{'answer': 'Greek Dark Ages', 'provenance': [{'wikipedia_id': '5823212', 'title': 'Late Bronze Age collapse', 'start_paragraph_id': 1, 'start_character': 480, 'end_paragraph_id': 1, 'end_character': 495, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5823212', 'title': 'Late Bronze Age collapse', 'start_paragraph_id': 68, 'start_character': 0, 'end_paragraph_id': 68, 'end_character': 357, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5069763956011128539}, 'section': 'Section::::Regional evidence.:Evidence of destruction.:Greece.\n'}]}]