Question: in which year mysore state was renamed as karnataka
[{'answer': '1973', 'provenance': [{'wikipedia_id': '16880', 'title': 'Karnataka', 'start_paragraph_id': 1, 'start_character': 218, 'end_paragraph_id': 1, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16880', 'title': 'Karnataka', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 736, 'bleu_score': 0.5452366116143911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16151576460491234660}, 'section': 'Section::::Abstract.'}]}]