Question: what is the significance of the bear in berlin
[{'answer': 'the mascot of Berlin', 'provenance': [{'wikipedia_id': '12068994', 'title': 'Coat of arms of Berlin', 'start_paragraph_id': 15, 'start_character': 32, 'end_paragraph_id': 15, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Symbol of Berlin.\n'}]}, {'provenance': [{'wikipedia_id': '12068994', 'title': 'Coat of arms of Berlin', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 372, 'bleu_score': 0.720618336492694, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2977584116742324648}, 'section': 'Section::::Symbol of Berlin.\n'}]}]