Question: who is the cm of arunachal pradesh 2018
[{'answer': 'Pema Khandu', 'provenance': [{'wikipedia_id': '2382790', 'title': 'List of chief ministers of Arunachal Pradesh', 'start_paragraph_id': 1, 'start_character': 682, 'end_paragraph_id': 1, 'end_character': 693, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]