Question: who is the current chief minister of kerala
[{'answer': 'Pinarayi Vijayan', 'provenance': [{'wikipedia_id': '5284117', 'title': 'Pinarayi Vijayan', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5284117', 'title': 'Pinarayi Vijayan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 0.7094521095075521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 348534034073503032}, 'section': 'Section::::Abstract.'}]}]