Question: who created the rule of two in star wars
[{'answer': 'Darth Bane', 'provenance': [{'wikipedia_id': '12076330', 'title': 'Star Wars: Darth Bane: Rule of Two', 'start_paragraph_id': 0, 'start_character': 11, 'end_paragraph_id': 0, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12076330', 'title': 'Star Wars: Darth Bane: Rule of Two', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 451, 'bleu_score': 0.9047535313743261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16161302182484227462}, 'section': 'Section::::Abstract.'}]}]