Question: what was the first department store to open in the united states
[{'answer': 'Arnold Constable', 'provenance': [{'wikipedia_id': '249171', 'title': 'Department store', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::History.:United States.:New York City.\n'}]}, {'provenance': [{'wikipedia_id': '249171', 'title': 'Department store', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 992, 'bleu_score': 0.9542439237315581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16652780605128318346}, 'section': 'Section::::History.:United States.:New York City.\n'}]}]