Question: when did nc state college become nc state university
[{'answer': '1971', 'provenance': [{'wikipedia_id': '5923822', 'title': 'History of North Carolina State University', 'start_paragraph_id': 2, 'start_character': 354, 'end_paragraph_id': 2, 'end_character': 358, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5923822', 'title': 'History of North Carolina State University', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 427, 'bleu_score': 0.970362113628587, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18318537861289895802}, 'section': 'Section::::Abstract.'}]}]