Question: the rule of the three rightly guided caliphs was called
[{'answer': 'The Rashidun Caliphs', 'provenance': [{'wikipedia_id': '437375', 'title': 'Rashidun', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Rashidun', 'provenance': [{'wikipedia_id': '437375', 'title': 'Rashidun', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the Rashidun', 'provenance': [{'wikipedia_id': '437375', 'title': 'Rashidun', 'start_paragraph_id': 1, 'start_character': 310, 'end_paragraph_id': 1, 'end_character': 322, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '437375', 'title': 'Rashidun', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 0.86417699765271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13680963730735036937}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '437375', 'title': 'Rashidun', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13680963730735036937}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '437375', 'title': 'Rashidun', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Rashidun" Caliphs (Rightly Guided Caliphs; \'), often simply called, collectively, ""\'the "Rashidun", is a term used in Sunni Islam to refer to the 30-year reign of the first four caliphs (successors) following the death of the Islamic prophet Muhammad, namely: Abu Bakr, Umar, Uthman ibn Affan, and Ali of the Rashidun Caliphate, the first caliphate. The concept of "Rightly Guided Caliphs" originated with the later Abbasid Caliphate based in Baghdad. It is a reference to the Sunni imperative "Hold firmly to my example ("sunnah") and that of the Rightly Guided Caliphs" (Ibn Majah, Abu Dawood).', 'he Rashidun" Caliphs (Rightly Guided Caliphs; \'), often simply called, collectively, ""\'the "Rashidun", is a term used in Sunni Islam to refer to the 30-year reign of the first four caliphs (successors) following the death of the Islamic prophet Muhammad, namely: Abu Bakr, Umar, Uthman ibn Affan, and Ali of the Rashidun Caliphate, the first caliphate.', 'The Rashidun" Caliphs (Rightly Guided Caliphs; \'), often simply called, collectively, ""\'t']}}]}]