Question: when did the bronze age end in ireland
[{'answer': 'c. 500BC', 'provenance': [{'wikipedia_id': '7156643', 'title': 'Prehistoric Ireland', 'start_paragraph_id': 44, 'start_character': 359, 'end_paragraph_id': 44, 'end_character': 367, 'bleu_score': 1.0, 'section': 'Section::::Copper and Bronze Ages (2500–500 BC).\n'}]}, {'provenance': [{'wikipedia_id': '7156643', 'title': 'Prehistoric Ireland', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 415, 'bleu_score': 0.9257921357402691, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1116386167254962626}, 'section': 'Section::::Copper and Bronze Ages (2500–500 BC).\n'}]}]