Question: who has been appointed the new chairman of cauvery water dispute tribunal
[{'answer': 'Navin Kumar', 'provenance': [{'wikipedia_id': '6062085', 'title': 'Kaveri River water dispute', 'start_paragraph_id': 107, 'start_character': 246, 'end_paragraph_id': 107, 'end_character': 257, 'bleu_score': 1.0, 'section': 'Section::::Final verdict 2018.:Cauvery Water Management Authority (CWMA) and Cauvery Water Regulation Committee (CWRC) 2018.\n'}]}]