Question: when did they stop building on the winchester house
[{'answer': 'September 5 , 1922', 'provenance': [{'wikipedia_id': '268137', 'title': 'Winchester Mystery House', 'start_paragraph_id': 2, 'start_character': 311, 'end_paragraph_id': 2, 'end_character': 329, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '268137', 'title': 'Winchester Mystery House', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 657, 'bleu_score': 0.981898582188057, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1142857977406575232}, 'section': 'Section::::Abstract.'}]}]