Question: the american version of lean production has been called
[{'answer': 'lean manufacturing', 'provenance': [{'wikipedia_id': '218445', 'title': 'Lean manufacturing', 'start_paragraph_id': 7, 'start_character': 30, 'end_paragraph_id': 7, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'provenance': [{'wikipedia_id': '218445', 'title': 'Lean manufacturing', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 851, 'bleu_score': 0.984904577301502, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12887062756528016166}, 'section': 'Section::::History.:20th century.\n'}]}]