Question: who was the first chief minister of punjab after independence
[{'answer': 'Gopi Chand Bhargava', 'provenance': [{'wikipedia_id': '2491538', 'title': 'List of chief ministers of Punjab (India)', 'start_paragraph_id': 20, 'start_character': 66, 'end_paragraph_id': 20, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::History.:Punjab (1947-1966) (Punjab, Haryana and Himachal).\n'}]}, {'provenance': [{'wikipedia_id': '2491538', 'title': 'List of chief ministers of Punjab (India)', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 1238, 'bleu_score': 0.9902673503986181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6877240838125192475}, 'section': 'Section::::History.:Punjab (1947-1966) (Punjab, Haryana and Himachal).\n'}]}]