question: Who is the maternal grandfather of Guiscarda, Viscountess Of Béarn?
context: [["Centule II of B\u00e9arn", ["Centule II of B\u00e9arn (French: \"Centulle II de B\u00e9arn\"; died ca. 940) was a Viscount of B\u00e9arn in medieval France.", "He was most likely a son \u2014 and successor \u2014 of the Viscount Loup Centule, whilst his mother was most likely Loup Centule\u2019s spouse of an unknown name.", "Centule became a viscount, and he married an unknown woman, who bore him a son, Gaston.", "Gaston became viscount after his father\u2019s death, and he fathered a son, Centule III of B\u00e9arn."]], ["Talesa of Aragon", ["Talesa, Tal\u00e8se, Tal\u00e8ze, or Ataresa (died after 1136) was an Aragonese noblewoman and relative of the royal Jim\u00e9nez dynasty.", "She was the daughter of Sancho Ram\u00edrez, Count of Ribagorza, natural brother of King Sancho Ram\u00edrez of Aragon and Navarre.", "She married Gaston IV of B\u00e9arn and acted as regent of the viscounty of B\u00e9arn during his absences on Crusade in 1096-1101, and after his death for their son in 1131-1134."]], ["Guiscarda, Viscountess of B\u00e9arn", ["Guiscarda (or Guiscarde) (died 1154) was the eldest child of Gaston IV of B\u00e9arn and Talesa of Aragon.", "She later succeeded her younger brother Centule VI as viscountess in 1134.", "Guiscarda first married Peter II of Gabarret, who died before she succeeded to B\u00e9arn.", "Her son by him, Peter II, also succeeded in 1134.", "Guiscarda's mother acted as primary regent, Guiscarda only secondarily.", "In 1147, Peter attained his majority and Guiscarda retired from her functions in government.", "When Peter died in 1153, Guiscarda assumed the regency for his son Gaston V, until her own death the next year."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Constance of B\u00e9arn", ["Constance (died 1310) was \"suo jure\" Viscountess of Marsan as well as titular Countess of Bigorre, daughter of Gaston VII, Viscount of B\u00e9arn and his first wife Martha of Marsan.", "Constance inherited all of her titles from her mother and contended to inherit her father's Viscounty of B\u00e9arn.", "She was married three times during her lifetime, marrying into the royal families of Aragon, Castile and England. \""]], ["Joan of Artois, Countess of Foix", ["Joan of Artois, Countess of Foix, Viscountess of B\u00e9arn( French:\" Jeanne d' Artois\"; 1289 \u2013 after 24 March 1350), was a French noblewoman, and the wife of Gaston I de Foix, Count of Foix, Viscount of B\u00e9arn.", "From 1331 to 1347 she was imprisoned by her eldest son on charges of scandalous conduct, dissolution, and profligacy."]], ["Centule III of B\u00e9arn", ["Centule III of B\u00e9arn", "( French:\" Centulle III de B\u00e9arn\"; Latin:\" Centuli Gastoni\") was a French noble, a Viscount of B\u00e9arn(\" vicomte de B\u00e9arn\").", "He was a son of the viscount Gaston I of B\u00e9arn and his wife, whose name remains unknown in primary sources.", "Centule was married to an unknown woman, and their son was called Gaston II, after Centule's father.", "Unfortunately, Centule was killed by the Lord Lupus the Strong.", "He was then succeeded by Gaston, his son.", "< br>"]], ["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."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["Catherine of Navarre", ["Catherine( 1468 \u2013 12 February 1517), Queen of Navarre, reigned from 1483 until 1517.", "She was also Duchess of Gandia, Montblanc, and Pe\u00f1afiel, Countess of Foix, Bigorre, and Ribagorza, and Viscountess of B\u00e9arn."]]]
supporting_facts: [["Guiscarda, Viscountess of B\u00e9arn", 0], ["Talesa of Aragon", 1]]
evidences: [["Guiscarda, Viscountess of B\u00e9arn", "mother", "Talesa of Aragon"], ["Talesa of Aragon", "father", "Sancho Ram\u00edrez"]]
answer: Sancho Ramírez