question: Who is Elisabeth Raiser's paternal grandfather?
context: [["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["Zhao Shoushan", ["Zhao Shoushan( 12 November 1894 \u2013 20 June 1965) was a KMT general and later Chinese Communist Party politician.", "He is the grandfather of Zhao Leji."]], ["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."]], ["John Mackay (poet)", ["John Mackay( 1656\u20131754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross."]], ["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."]], ["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"]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Elisabeth Raiser", ["Elisabeth Raiser (n\u00e9e Bertha Elisabeth Freiin von Weizs\u00e4cker) is a 21st-century historian, former President of the German Evangelical Church Assembly, and daughter of Carl Friedrich von Weizs\u00e4cker."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Carl Friedrich von Weizs\u00e4cker", ["Carl Friedrich Freiherr von Weizs\u00e4cker (28 June 1912 \u2013 28 April 2007) was a German physicist and philosopher.", "He was the longest-living member of the team which performed nuclear research in Germany during the Second World War, under Werner Heisenberg's leadership.", "There is ongoing debate as to whether or not he and the other members of the team actively and willingly pursued the development of a nuclear bomb for Germany during this time.", "A member of the prominent Weizs\u00e4cker family, he was son of the diplomat Ernst von Weizs\u00e4cker, elder brother of the former German President Richard von Weizs\u00e4cker, father of the physicist and environmental researcher Ernst Ulrich von Weizs\u00e4cker and father-in-law of the former General Secretary of the World Council of Churches, Konrad Raiser.", "Weizs\u00e4cker made important theoretical discoveries regarding energy production in stars from nuclear fusion processes.", "He also did influential theoretical work on planetary formation in the early Solar System.", "In his late career, he focused more on philosophical and ethical issues, and was awarded several international honors for his work in those areas."]]]
supporting_facts: [["Elisabeth Raiser", 0], ["Carl Friedrich von Weizs\u00e4cker", 3]]
evidences: [["Elisabeth Raiser", "father", "Carl Friedrich von Weizs\u00e4cker"], ["Carl Friedrich von Weizs\u00e4cker", "father", "Ernst von Weizs\u00e4cker"]]
answer: Ernst von Weizsäcker