question: Who is the paternal grandfather of Mehmet I Of Karaman?
context: [["Nefise Hatun", ["Nefise Hatun was an Ottoman princess, the daughter of Sultan Murad I of the Ottoman Empire.", "She was the wife of Prince Alaattin Ali of Karaman, the ruler of Karamanids, and was the mother of the next Karamanid ruler, Mehmed II of Karaman."]], ["Ibrahim II of Karaman", ["Ibrahim II( died 1464) was a bey of Karaman."]], ["Mehmet I of Karaman", ["Mehmet I of Karaman , also known as \u015eemseddin Mehmet, was the second bey of Karaman Beylik, a Turkish principality in Anatolia in the 13th century.", "His father was Karaman Bey."]], ["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."]], ["Mahmut of Karaman", ["Mahmut of Karaman was a bey of Karaman Beylik, a Turkish principality in Anatolia in the 14th century.", "His father was Karaman Bey.", "He succeeded his elder brother G\u00fcneri in 1300.", "Although he is known to have participated in the campaign to Alaiye during G\u00fcneri's reign, the details of his reign are not known.", "But when Seljuk sultan Mesut II died in 1308, he saw his chance to capture Konya, the Seljuks capital.", "He died in 1312.", "His tomb is in Balkusan village at Ermenek district of Karaman Province.", "He was succeeded by his son Musa."]], ["Ahmet of Karaman", ["Ahmet of Karaman, was a short term bey of Karaman Beylik, a Turkish principality in Anatolia in the 14th century.", "He succeeded his father \u0130brahim Bey.", "But his succession date is not known.", "According to one source, he fell during a battle against Mongols in 1350."]], ["Firman of Karamano\u011flu Mehmet Bey", ["Mehmet Bey's firman was the decree of Mehmet I of Karaman( Karamano\u011flu Mehmet), a vizier of Suljuks, declaring that the official language of Seljuks was Turkish.", "Mehmet Beg or Mehmet Bey of Karaman, also known as Shams al- Din Mehmed Beg was the third ruler of the Karamanids.", "His father was Karaman Bey.", "Mehmet Fuat K\u00f6pr\u00fcl\u00fc suggested that the government officials, who had been educated under the influence of the Persian culture, had used the Persian language in their state's official business, and this strong compulsion of using Persian as official language had lasted until the Karamanids lord Mehmed Bey's invasion of Konya.", "Agop Dila\u00e7ar, who is known for his works on the Sun Language Theory, claimed that Mehmed Bey might have declared Turkish the official language of the state.", "According to Dila\u00e7ar, in his firman dated 13 May( 15 May?)", "1277, he ordered that\" from that day forward, in the council, in the dervish lodge, in the court, in the assembly, in the square, no language but Turkish should be spoken\".", "Before him, the Seljuq elite in Anatolia used Persian in literature and Arabic in government and science.", "The Turkmen, however, could not understand these languages.", "After his failed rebellion in Ankara, Mehmet Bey died in a conflict against Seljuq- Mongol troops."]], ["Karaman Bey", ["Karaman Bey (Also known as Kerim\u00fcddin Karaman Bey) was the leader of Turkoman tribe Afshar and the founder of Karaman Beylik, a Turkish principality in Anatolia in the 13th century.", "His father was Nure Sofi.", "After his father's death, he founded his beylik which was already semiautonomous during his father's reign.", "The Seljuks, who were their nominal suzerains, were defeated by the Mongols and the Karamans had no problem to settle in the northern slopes of the Toros Mountains close to Konya, the Seljuk capital.", "The Seljuk Sultan, afraid of the Karamans increasing power, gave him some towns as ikta (fief) .", "The city of Karaman (ancient Larende) bears his name.", "Karaman fought against the Armenian Kingdom of Cilicia and expanded his territory.", "In 1261 K\u0131l\u0131\u00e7 Aslan IV of Seljuks more or less regained strength after his elder brother took refuge in Byzantine Empire.(see Seljuks in Dobruja)", "He began punishing rebellious tribes.", "Seeing this restoration as a threat to his beylik and anticipating a blow from the sultan, Karaman Bey took initiative by a surprise attack to Konya.", "But he was defeated in the battle of Gevele (west of Konya).", "Both of his brothers were killed and he escaped to his territory.", "It is believed that he died shortly after the battle.", "He was buried in Balkusan (now a village in Ermenek district of Karaman Province)", "He was succeeded by Mehmet I"]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Pir Ahmet of Karaman", ["Pir Ahmet of Karaman was a bey of Karaman Beylik, a Turkish principality in Anatolia in the 15th century."]]]
supporting_facts: [["Mehmet I of Karaman", 0], ["Karaman Bey", 1]]
evidences: [["Mehmet I of Karaman", "father", "Karaman Bey"], ["Karaman Bey", "father", "Nure Sofi"]]
answer: Nure Sofi