Question: who voiced kaa in the original jungle book
[{'answer': 'Sterling Price Holloway Jr .', 'provenance': [{'wikipedia_id': '805401', 'title': 'Sterling Holloway', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '805401', 'title': 'Sterling Holloway', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 314, 'bleu_score': 0.8340313804889191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 465990553294177740}, 'section': 'Section::::Abstract.'}]}]