Question: who played the dancing bear on captain kangaroo
[{'answer': 'Cosmo Allegretti', 'provenance': [{'wikipedia_id': '54588', 'title': 'Captain Kangaroo', 'start_paragraph_id': 37, 'start_character': 66, 'end_paragraph_id': 37, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Format.:Regular features.\n'}]}, {'provenance': [{'wikipedia_id': '54588', 'title': 'Captain Kangaroo', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 395, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17493664657720328581}, 'section': 'Section::::Cast.\n'}]}]