Question: who was the founder of legalism in china
[{'answer': 'Sima Tan', 'provenance': [{'wikipedia_id': '226125', 'title': 'Legalism (Chinese philosophy)', 'start_paragraph_id': 1, 'start_character': 31, 'end_paragraph_id': 1, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]