Question: who came up with the saying the customer is always right
[{'answer': 'Harry Gordon Selfridge', 'provenance': [{'wikipedia_id': '32750142', 'title': 'The customer is always right', 'start_paragraph_id': 1, 'start_character': 196, 'end_paragraph_id': 1, 'end_character': 218, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'John Wanamaker', 'provenance': [{'wikipedia_id': '32750142', 'title': 'The customer is always right', 'start_paragraph_id': 1, 'start_character': 220, 'end_paragraph_id': 1, 'end_character': 234, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Marshall Field', 'provenance': [{'wikipedia_id': '32750142', 'title': 'The customer is always right', 'start_paragraph_id': 1, 'start_character': 239, 'end_paragraph_id': 1, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32750142', 'title': 'The customer is always right', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 947, 'bleu_score': 0.986969988197764, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9976920731643993109}, 'section': 'Section::::Abstract.'}]}]