Question: who is celie sister in the color purple
[{'answer': 'Nettie', 'provenance': [{'wikipedia_id': '43168', 'title': 'The Color Purple', 'start_paragraph_id': 5, 'start_character': 42, 'end_paragraph_id': 5, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '43168', 'title': 'The Color Purple', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 400, 'bleu_score': 0.578108809236026, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3630830308462791535}, 'section': 'Section::::Plot.\n'}]}]