Question: who is the first chief minister of unified karnataka
[{'answer': 'K. Chengalaraya Reddy', 'provenance': [{'wikipedia_id': '1093357', 'title': 'List of chief ministers of Karnataka', 'start_paragraph_id': 2, 'start_character': 228, 'end_paragraph_id': 2, 'end_character': 249, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1093357', 'title': 'List of chief ministers of Karnataka', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 768, 'bleu_score': 0.801435292646216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17880035945476167489}, 'section': 'Section::::Abstract.'}]}]