Question: kathakali is the dance form of which state
[{'answer': 'Kerala', 'provenance': [{'wikipedia_id': '233491', 'title': 'Kathakali', 'start_paragraph_id': 1, 'start_character': 315, 'end_paragraph_id': 1, 'end_character': 321, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '233491', 'title': 'Kathakali', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 321, 'bleu_score': 0.646161373131048, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16839148209950034929}, 'section': 'Section::::Abstract.'}]}]