Question: how many districts are there in telangana 2017
[{'answer': '31', 'provenance': [{'wikipedia_id': '42742156', 'title': 'List of districts in Telangana', 'start_paragraph_id': 4, 'start_character': 206, 'end_paragraph_id': 4, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]