question: What is the date of death of Princess Maria Bona Of Savoy-Genoa's mother?
context: [["Yolande Louise of Savoy", ["Yolande Louise of Savoy( 1487\u20131499), was a Duchess Consort of Savoy; married to Philibert II, Duke of Savoy."]], ["Princess Maria Isabella of Savoy-Genoa", ["Princess Maria Isabella of Savoy- Genoa( born 23 June 1943) is the last surviving male- line descendant of the Dukes of Genoa, a cadet branch of the House of Savoy which ruled Italy from 1861 to 1946."]], ["Princess Maria Vittoria Margherita of Savoy", ["Maria Vittoria Margherita of Savoy( 22 June 1740 \u2013 14 July 1742) was a princess of Savoy.", "She was born in the reign of her father Charles Emmanuel III, King of Sardinia."]], ["Princess Maria Bona of Savoy-Genoa", ["Princess Bona of Savoy-Genoa, later Princess Bona of Bavaria", "(Maria Bona Margherita Albertina Vittoria; 1 August 1896 \u2013 2 February 1971), was a daughter of Prince Thomas, Duke of Genoa and Princess Isabella of Bavaria."]], ["Margherita of Savoy", ["Margherita of Savoy(\" Margherita Maria Teresa Giovanna\"; 20 November 1851 \u2013 4 January 1926) was the Queen consort of the Kingdom of Italy by marriage to Umberto I."]], ["Princess Maria Pia of Bourbon-Parma", ["Princess Maria Pia of Bourbon- Parma( n\u00e9e Princess Maria Pia of Savoy; born 24 September 1934) is the eldest daughter of Umberto II of Italy and Marie- Jos\u00e9 of Belgium.", "She is the older sister of Princess Maria Gabriella of Savoy, Vittorio Emanuele, Prince of Naples, and Princess Maria Beatrice of Savoy."]], ["Princess Luisa Cristina of Savoy", ["Princess Luisa Cristina of Savoy (27 July 1629 \u2013 12 May 1692) was a Princess of Savoy by birth and the eldest daughter of Victor Amadeus I, Duke of Savoy.", "She married her uncle Prince Maurice of Savoy but had no children.", "She was the owner of the future \"Villa della Regina\".", "She was a first cousin of Louis XIV of France and Charles II of England."]], ["Margherita, Archduchess of Austria-Este", ["Margherita, Dowager Archduchess of Austria- Este(\" n\u00e9e\" Princess Margherita of Savoy- Aosta; born 7 April 1930) is the first- born child of the late Amedeo, 3rd Duke of Aosta, and Princess Anne d' Orl\u00e9ans."]], ["Princess Isabella of Bavaria", ["Princess Isabella of Bavaria (", "Marie Elisabeth Luise Amalie Elvire Blanche Eleonore; 31 August 1863 \u2013 26 February 1924) was the third child and eldest daughter of Prince Adalbert of Bavaria and his wife Infanta Amalia of Spain.", "By her marriage to Prince Thomas, Duke of Genoa, she became referred to as the Duchess of Genoa."]], ["Princess Maria Adelaide of Savoy-Genoa", ["Princess Adelaide of Savoy- Genoa( Maria Adelaide Vittoria Amelia; 25 April 1904 \u2013 2 August 1979), was a daughter of Prince Thomas, Duke of Genoa and Princess Isabella of Bavaria."]]]
supporting_facts: [["Princess Maria Bona of Savoy-Genoa", 1], ["Princess Isabella of Bavaria", 1]]
evidences: [["Princess Bona of Savoy-Genoa", "mother", "Princess Isabella of Bavaria"], ["Princess Isabella of Bavaria", "date of death", "26 February 1924"]]
answer: 26 February 1924