Question: how many bjp ruled states in india 2017
[{'answer': '40'}, {'provenance': [{'wikipedia_id': '40134499', 'title': 'List of chief ministers from the Bharatiya Janata Party', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1206, 'bleu_score': 0.9184798675729321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9457343029115456411}, 'section': 'Section::::Abstract.'}]}]