Question: who does the voice of baby bear on sesame street
[{'answer': 'David Rudman', 'provenance': [{'wikipedia_id': '3019660', 'title': 'David Rudman', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3019660', 'title': 'David Rudman', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 919, 'bleu_score': 0.9482505188716551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1297587814737548659}, 'section': 'Section::::Career.\n'}]}]