Question: what is the space between two sets of doors called
[{'answer': 'vestibules', 'provenance': [{'wikipedia_id': '9245549', 'title': 'Vestibule (architecture)', 'start_paragraph_id': 4, 'start_character': 9, 'end_paragraph_id': 4, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Modern usage.\n'}]}, {'provenance': [{'wikipedia_id': '9245549', 'title': 'Vestibule (architecture)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 288, 'bleu_score': 0.9632870032952191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4442491852668559229}, 'section': 'Section::::Modern usage.\n'}]}]