question: Who is Abu Mansur Fulad Sutun's paternal grandfather?
context: [["Abu Mansur Fulad Sutun", ["Abu Mansur Fulad Sutun (died 1062) was the last Buyid amir of Fars, ruling more or less continuously from 1048 until his death.", "He was the son of Abu Kalijar."]], ["Fred Le Deux", ["Frederick\" Fred\" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).", "He is the grandfather of Tom Hawkins."]], ["Abu Mansur Mamari", ["Abu Mansur Mamari was an Iranian nobleman who served as the personal minister of the Samanid general Abu Mansur Muhammad.", "At an unknown date, the latter wanted to create a Shahnameh(\" Book of Kings\"), and ordered Abu Mansur Mamari to invite several scholars.", "They created a New Persian version of the Khwaday- Namag in 957, and expanded it with other sources.", "The book became known as\" Shahnama- yi Abu Mansurithe book of kings of Abu Mansuri\").", "However, only the introduction of the book remains today, which claims that Abu Mansur Mamari was descended from Kanadbak, who served as the\" kanarang\" of the Sasanian king Khosrau II.", "Not much more is known about Abu Mansur Mamari; he later died in the 10th- century."]], ["Abu Mansur Muhammad", ["Abu Mansur Muhammad ibn' Abd al- Razzaq ibn' Abdallah ibn Farrukh, also simply known as Abu Mansur Muhammad and Ibn' Abd al- Razzaq, was an Iranian aristocrat who served the Samanids during the most of career, and briefly served as governor of Azerbaijan under the Buyids."]], ["Kaya Alp", ["Kaya Alp was, according to Ottoman tradition, the son of K\u0131z\u0131l Bu\u011fa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertu\u011frul, and the great grandfather of the Ottoman Empire founder, Osman I."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Abu Kalijar", ["Abu Kalijar Marzuban (died October 1048) was the Buyid amir of Fars (1024\u20131048), Kerman (1028\u20131048) and Iraq (1044\u20131048).", "He was the eldest son of Sultan al-Dawla."]], ["Mohammed bin Khalifa bin Zayed Al Nahyan", ["Mohammed bin Khalifa bin Zayed Al Nahyan is a Emirati royal politician.", "He is the son of current Emir of Abu Dhabi emirate and President of the United Arab Emirates, Khalifa bin Zayed Al Nahyan.", "Sheikh Mohammed is the member of Executive Council of Abu Dhabi( the cabinet of Abu Dhabi).", "He is also on the board of directors of Abu Dhabi Investment Authority( Abu Dhabi's sovereign wealth fund), under the chairman, his father.", "In 2009, he was appointed chairman of Abu Dhabi Retirement Pensions and Benefits Fund.", "He is the chairman of Abu Dhabi department of finance while acting chairman is Hamad Al Hurr Al Suwaidi."]], ["Henry Krause", ["Henry J.\" Red\" Krause, Jr.( August 28, 1913 \u2013 February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.", "He played college football at St. Louis University.", "He is the grandfather of Jennifer Krause", "He is the great grandfather of Payton Hoeing"]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]]]
supporting_facts: [["Abu Mansur Fulad Sutun", 1], ["Abu Kalijar", 1]]
evidences: [["Abu Mansur Fulad Sutun", "father", "Abu Kalijar"], ["Abu Kalijar", "father", "Sultan al-Dawla"]]
answer: Sultan al-Dawla