Question: what is the android version of redmi note 4
[{'answer': 'MIUI 9', 'provenance': [{'wikipedia_id': '54118364', 'title': 'Xiaomi Redmi Note 4', 'start_paragraph_id': 10, 'start_character': 135, 'end_paragraph_id': 10, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Specifications.:Hardware.\n'}]}, {'provenance': [{'wikipedia_id': '54118364', 'title': 'Xiaomi Redmi Note 4', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 368, 'bleu_score': 0.7565961665598341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13914778185643638342}, 'section': 'Section::::Specifications.:Hardware.\n'}]}]