Question: when did wake forest university move to winston salem
[{'answer': '1956', 'provenance': [{'wikipedia_id': '239327', 'title': 'Wake Forest University', 'start_paragraph_id': 1, 'start_character': 353, 'end_paragraph_id': 1, 'end_character': 357, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '239327', 'title': 'Wake Forest University', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 844, 'bleu_score': 0.9185409936775141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2867243852200385618}, 'section': 'Section::::Abstract.'}]}]