Question: when was the revised standard version of the bible written
[{'answer': 'mid-20th century'}, {'provenance': [{'wikipedia_id': '274466', 'title': 'Revised Standard Version', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 222, 'bleu_score': 0.599804507169275, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 798366550796891585}, 'section': 'Section::::Abstract.'}]}]