Question: when was the play an inspector calls written
[{'answer': '1945', 'provenance': [{'wikipedia_id': '58888', 'title': 'An Inspector Calls', 'start_paragraph_id': 1, 'start_character': 114, 'end_paragraph_id': 1, 'end_character': 118, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '58888', 'title': 'An Inspector Calls', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 490, 'bleu_score': 0.7462665050073141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3721509007098999768}, 'section': 'Section::::Abstract.'}]}]