question: Who is Eochu Uairches's paternal grandfather?
context: [["Conaing Bececlach", ["Conaing Begeclach was, according to medieval Irish legend and historical tradition, joint High King of Ireland with his brother or half- brother Eochu F\u00edadmuine.", "They took power after killing the previous High King, Eochu Uairches.", "Conaing ruled the northern half of Ireland, Eochu the south.", "Their parentage is unclear.", "The\" Lebor Gab\u00e1la \u00c9renn\" reports two possibilities: that he and Eochu were the sons of Congal, son of Lugaid Cal of the Corcu Laigde of County Cork; or that Eochu was the son of Congal, and Conaing was the son of Dui Temrach, son of Muiredach Bolgrach, but both had the same mother, who was also the mother of Eochu Uairches.", "Geoffrey Keating makes them both sons of Dui Temrach, and the Four Masters make them the sons of Dui's son Congal Coscarach.", "After five years of joint rule, Eochu was killed by Eochu Uairches' son Lugaid L\u00e1mderg.", "According to the\" Lebor Gab\u00e1la\", Conaing remained in power in the north, while Lugaid took the south.", "The\" Annals of the Four Masters\" say Lugaid ousted Conaing and took complete control of Ireland.", "Seven years later, Conaing killed Lugaid and became sole ruler for a further ten( or twenty) years, after which he was killed by Lugaid's son Art.", "The\" Lebor Gab\u00e1la\" synchronises Conaing's career with the reigns of Artaxerxes I( 465 \u2013 424 BC) and Darius II( 423\u2013404) of Persia.", "The chronology of Keating's\" Foras Feasa ar \u00c9irinn\" dates his career to 621\u2013599 BC, that of the\" Annals of the Four Masters\" to 844\u2013812 BC.", "However, in the saga\" Do suidigud tellaich Temrathe settling of the manor of Tara\"), the crucifixion of Christ takes place during his reign."]], ["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."]], ["Eochu F\u00edadmuine", ["Eochu F\u00edadmuine was, according to medieval Irish legend and historical tradition, joint High King of Ireland with his brother or half- brother Conaing Bececlach.", "They took power after killing the previous High King, Eochu Uairches.", "Eochu ruled the southern half of Ireland, Conaing the north.", "Their parentage is unclear.", "The\" Lebor Gab\u00e1la \u00c9renn\" reports two possibilities: that he and Conaing were the sons of Congal, son of Lugaid Cal of the Corcu Laigde of County Cork; or that Eochu was the son of Congal, and Conaing was the son of Dui Temrach, son of Muiredach Bolgrach, but both had the same mother, who was also the mother of Eochu Uairches.", "Geoffrey Keating makes them both sons of Dui Temrach, and the Four Masters make them the sons of Dui's son Congal Coscarach.", "After five years of joint rule, Eochu was killed by Eochu Uairches' son Lugaid L\u00e1mderg.", "According to the\" Lebor Gab\u00e1la\", Conaing remained in power in the north, while Lugaid took the south.", "The\" Annals of the Four Masters\" say Lugaid ousted Conaing and took complete control of Ireland.", "The\" Lebor Gab\u00e1la\" synchronises the reign of Eochu and Conaing with that of Artaxerxes I of Persia( 465 \u2013 424 BC).", "The chronology of Keating's\" Foras Feasa ar \u00c9irinn\" dates their reign to 621\u2013616 BC, that of the\" Annals of the Four Masters\" to 844\u2013839 BC."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Lugaid \u00cdardonn", ["Lugaid \u00cdardonn, son of \u00c9nna Derg, was, according to medieval Irish legend and historical tradition, a High King of Ireland.", "His epithet, Old Irish for \"dark brown\", came from the colour of his hair.", "He succeeded his father, who had died of plague, to the throne, and ruled for nine years before he was killed at R\u00e1th Clochair by S\u00edrl\u00e1m, son of Finn mac Blatha.", "The \"Lebor Gab\u00e1la \u00c9renn\" synchronises his reign with that of Artaxerxes I of Persia (465\u2013424 BC).", "The chronology of Geoffrey Keating's \"Foras Feasa ar \u00c9irinn\" dates his reign to 658\u2013649 BC, that of the \"Annals of the Four Masters\" to 881\u2013872 BC."]], ["Eochu Uairches", ["Eochu (or Eochaid) Uairches, son of Lugaid \u00cdardonn, was, according to medieval Irish legend and historical tradition, a High King of Ireland.", "After Lugaid was overthrown and killed by S\u00edrl\u00e1m, Eochu was driven into exile overseas, but he returned after twelve years, killed S\u00edrl\u00e1m with an arrow, and took the throne.", "His epithet is obscure: the \"Lebor Gab\u00e1la \u00c9renn\" says he gained it because of his exile, while Geoffrey Keating explains it as meaning \"bare canoes\", because he had canoes for a fleet, in which he and his followers used to plunder neighbouring countries.", "He ruled for twelve years, before he was killed by Eochu F\u00edadmuine and Conaing Bececlach.", "The \"Lebor Gab\u00e1la\" synchronises his reign with that of Artaxerxes I of Persia (465\u2013424 BC).", "The chronology of Keating's \"Foras Feasa ar \u00c9irinn\" dates his reign to 633\u2013621 BC, that of the \"Annals of the Four Masters\" to 856\u2013844 BC."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["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"]]]
supporting_facts: [["Eochu Uairches", 0], ["Lugaid \u00cdardonn", 0]]
evidences: [["Eochu (or Eochaid) Uairches", "father", "Lugaid \u00cdardonn"], ["Lugaid \u00cdardonn", "father", "\u00c9nna Derg"]]
answer: Énna Derg