question: Who is the paternal grandfather of Eochaid Ailtlethan?
context: [["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["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."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["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."]], ["Ailill Caisfiaclach", ["Ailill Caisfiaclach (\"having crooked/hateful teeth\"), son of Connla C\u00e1em, was, according to medieval Irish legends and historical traditions, a High King of Ireland.", "He succeeded his father, and reigned for twenty-five years, until he was killed by Adamair, the son of Fer Corb", "the man who had killed Ailill's grandfather.", "The \"Lebor Gab\u00e1la \u00c9renn\" synchronises his reign with that of Ptolemy V Epiphanes in Egypt (204\u2013181 BC).", "Geoffrey Keating's \"Foras Feasa ar \u00c9irinn\" dates his reign from 315 to 290 BC, the \"Annals of the Four Masters\" from 443 to 418 BC."]], ["Eochaid Ailtlethan", ["Eochaid (or Eochu)", "Ailtlethan (\"broad blade\"), son of Ailill Caisfiaclach, was, according to medieval Irish legends and historical traditions, a High King of Ireland.", "According to the \"Lebor Gab\u00e1la \u00c9renn\", he took the throne after overthrowing and killing the previous incumbent, Adamair, and ruled for eleven years, until he was killed in battle by Fergus Fortamail.", "The \"Lebor Gab\u00e1la \u00c9renn\" synchronises his reign with that of Ptolemy V Epiphanes in Egypt (204\u2013181 BC).", "The chronology of Geoffrey Keating's \"Foras Feasa ar \u00c9irinn\" dates his reign to 285\u2013274 BC, that of the \"Annals of the Four Masters\" (which gives him a reign of seventeen years) to 414\u2013396 BC."]], ["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."]], ["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."]]]
supporting_facts: [["Eochaid Ailtlethan", 1], ["Ailill Caisfiaclach", 0]]
evidences: [["Eochaid (or Eochu) Ailtlethan", "father", "Ailill Caisfiaclach"], ["Ailill Caisfiaclach", "father", "Connla C\u00e1em"]]
answer: Connla Cáem