question: Who is the paternal grandfather of Hōjō Akitoki?
context: [["Kanezawa Sanetoki", [", also called was the founder of the Kanazawa Bunko (Kanazawa Library).", "He was a member of the Kanezawa branch of the H\u014dj\u014d clan.", "He was born to H\u014dj\u014d Saneyasu in 1224.", "As his talent was discovered by his uncle H\u014dj\u014d Yasutoki, Sanetoki was given important posts by four \"shikken\": Yasutoki, Tsunetoki, Tokiyori and Tokimune.", "He began his career as the head of \"Kosamurai-dokoro\" in 1234 and then became \"Hikitsukeshu\" in 1252 and \"Hyojoshu\" in 1253.", "Due to illness, he resigned from all posts and took a rest at his residence at Kanezawa (modern-day Kanazawa), Yokohama.", "While attending to government affairs, he was dedicated himself to study.", "He studied under Kiyohara no Noritaka, who came to Kamakura in Prince Munetaka's retinue.", "In 1258 he established a temple called Sh\u014dmy\u014dji at Kanazawa and put a library within the temple to house his huge manuscript collection."]], ["Utsunomiya Yoritsuna", ["His father was.", "He married a daughter of H\u014dj\u014d Tokimasa.", "After entering Buddhist orders, he took the name, and was also known as."]], ["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 Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["Guillaume Wittouck", ["Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.", "He was the Grandfather of industrialist Paul Wittouck."]], ["H\u014dj\u014d Akitoki", ["H\u014dj\u014d Akitoki (1248 \u2013 7 May 1301) was a Japanese military leader during the Kamakura period (1185\u20131333).", "He was the third head of the of the H\u014dj\u014d clan.", "Akitoki was the son of Kanezawa Sanetoki and a daughter of H\u014dj\u014d Masamura.", "In 1257 Akitoki had his \"genpuku\" coming-of-age ceremony under the \"tokus\u014d\" H\u014dj\u014d Tokiyori and took the name \"Tokikata\" .", "In 1260 he became a guard of the \"sh\u014dgun\"; he attended Prince Munetaka and studied poetry and other subjects.", "He married Mugai Nyodai.", "Akitoki died 7 May 1301 and was succeeded by his son H\u014dj\u014d Sadaaki.", "Akitoki's grave is in in Kanagawa.", "He is said to have had a love of learning, like his father, and to have contributed to the establishment of the Kanazawa Bunko."]], ["H\u014dj\u014d Tsunetoki", ["H\u014dj\u014d Tsunetoki( \u5317\u6761 \u7d4c\u6642, 1224 \u2013 May 17, 1246) was the fourth\" Shikken\"( 1242 \u2013 1246) of the Kamakura shogunate.", "He was son of H\u014dj\u014d Tokiuji and of a former wife of Adachi Kagemori, elder brother of H\u014dj\u014d Tokiyori and grandson of H\u014dj\u014d Yasutoki.", "He ruled from 1242 to 1246 and founded K\u014dmy \u014d- ji in Zaimokuza.", "He is buried within the temple."]], ["Prithvipati Shah", ["Prithvipati Shah( ?\u20131716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.", "He was the grandfather of Nara Bhupal Shah."]]]
supporting_facts: [["H\u014dj\u014d Akitoki", 2], ["Kanezawa Sanetoki", 2]]
evidences: [["H\u014dj\u014d Akitoki", "father", "Kanezawa Sanetoki"], ["Kanezawa Sanetoki", "father", "H\u014dj\u014d Saneyasu"]]
answer: Hōjō Saneyasu