Question: what was the name of the snake in jungle book
[{'answer': 'Kaa', 'provenance': [{'wikipedia_id': '475904', 'title': 'Kaa', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 3, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '475904', 'title': 'Kaa', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 603, 'bleu_score': 0.9598415906376221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8806065840025119781}, 'section': "Section::::Kipling's Mowgli Stories.\n"}]}]