Question: who appoints the chief justice of supreme court of india
[{'answer': 'the outgoing CJI', 'provenance': [{'wikipedia_id': '699352', 'title': 'Chief Justice of India', 'start_paragraph_id': 8, 'start_character': 16, 'end_paragraph_id': 8, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Appointment.\n'}]}]