Question: which is the second largest city in karnataka
[{'answer': 'Hubballi', 'provenance': [{'wikipedia_id': '167185', 'title': 'Hubli', 'start_paragraph_id': 2, 'start_character': 161, 'end_paragraph_id': 2, 'end_character': 169, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]