question: Who is Ōzato Chōryō's paternal grandfather?
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."]], ["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."]], ["Sh\u014d Shitsu", ["The fourth son of King Sh\u014d H\u014d, he was named Prince of Sashiki in 1637, at the age of eight, and was granted Sashiki \"magiri\" as his domain.", "In 1645, his domain was changed to that of Nakagusuku \"magiri\", and his title to Prince of Nakagusuku.", "Sh\u014d Shitsu succeeded his brother Sh\u014d Ken as king in 1648.", "His reign coincided with a period of rebellion and instability in China, as factions loyal to the Ming Dynasty, which fell in 1644, continued to fight against the new Qing Dynasty order.", "On at least one occasion, Ryukyuan tribute ships were attacked by pirates or rebels, who killed at least one of the Ryukyuan sailors and stole various objects; the authorities of Satsuma Domain declared the head envoy and his deputy to be at fault and had them executed.", "Another incident involved an attack on an Okinawan mission on the road to Beijing; the Ryukyuans defeated their attackers, and Hirata Tentsu came to be known as a national hero.", "Though there was initially some uncertainty, particularly within Japan, as to whether the kingdom should support the new dynasty, or the Ming rebels, the Tokugawa shogunate left the decision up to Satsuma.", "The king's eldest son, Sh\u014d Tei, who would later succeed him as king, journeyed to Beijing and submitted the formal royal seal given the kingdom by the Ming rulers, to the Qing Court, which in turn granted the prince a new royal seal for the kingdom and declared its official recognition of Sh\u014d Shitsu as king.", "A number of major reforms were effected in the final years of Sh\u014d Shitsu's reign, primarily at the guidance or suggestion of Sh\u014d Sh\u014dken, who was appointed \"sessei\", a position which has been compared to prime minister, in 1666.", "Sh\u014d Sh\u014dken also compiled the \"Ch\u016bzan SeikanMirror of Ch\u016bzan\"), the first history of the kingdom, at the king's orders.", "Upon his death in 1668, he was entombed in the royal mausoleum Tamaudun, and was succeeded by his eldest son, Sh\u014d Tei."]], ["\u014czato Ch\u014dry\u014d", [", also known by his Chinese style name , was a royal of Ryukyu Kingdom.", "Prince \u014czato was the second son of King Sh\u014d Shitsu, and his mother was Misato Aji-ganashi .", "He was the first head of a royal family called \"Mabuni Udun\" .", "Prince \u014czato served as \"sessei\" from 1676 to 1686."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Fujiwara no Nagara", [", also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.", "He was the grandfather of Emperor Y\u014dzei."]], ["Henry Bryant (naturalist)", ["Henry Bryant( May 12, 1820 \u2013 February 2, 1867) was an American physician and naturalist.", "He was the grandfather of Henry Bryant Bigelow."]], ["Guillaume Wittouck", ["Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.", "He was the Grandfather of industrialist Paul Wittouck."]]]
supporting_facts: [["\u014czato Ch\u014dry\u014d", 1], ["Sh\u014d Shitsu", 0]]
evidences: [["\u014czato Ch\u014dry\u014d", "father", "Sh\u014d Shitsu"], ["Sh\u014d Shitsu", "father", "Sh\u014d H\u014d"]]
answer: Shō Hō