question: When did Robert, Count Of Burgundy's mother die?
context: [["Mahaut, Countess of Artois", ["Mahaut of Artois (1268 27 November 1329), also known as Mathilda, ruled as countess of Artois from 1302 to 1329.", "She was furthermore regent of the County of Burgundy from 1303 to 1315 during the minority of her son, Robert."]], ["Reginald I, Count of Burgundy", ["Reginald I, Count of Burgundy( aka Renaud I, Count Palatine of Burgundy) was the second Count of the Free County of Burgundy.", "Born in 986, he was the son of Otto- William, Count of Burgundy( the first Count) and Ermentrude de Roucy.", "In 1016, Reginald married Alice of Normandy.", "He succeeded to the County on his father's death in 1026.", "Reginald was succeeded by his son, William I, on his death in 1057.", "Reginald married Alice and had the following children:"]], ["Thuringbert, Count of Hesbaye", ["Thuringbert (735\u2013770), Count of Hesbaye and Count of Wormsgau, son of Robert I, Count of Hesbaye, and Williswinda.\nThuringbert and his wife (name unknown) had one child:", "Thuringbert was succeeded as Count of Hesbaye by his son Robert."]], ["Robert, Count of Burgundy", ["Robert, Count of Burgundy (1300\u20131315) was the son of Otto IV, Count of Burgundy and Mahaut, Countess of Artois.", "He was count of Burgundy between 1302 and 1315.", "He died in 1315, and was succeeded by his sister, Joan II, and brother-in-law, Philip II, later queen and king of France."]], ["Isabella of Bourbon", ["Isabella of Bourbon, Countess of Charolais( 1434 \u2013 25 September 1465) was the second wife of Charles the Bold, Count of Charolais and future Duke of Burgundy.", "She was a daughter of Charles I, Duke of Bourbon and Agnes of Burgundy, and the mother of Mary of Burgundy, heiress of Burgundy."]], ["William XII, Count of Auvergne", ["William XII of Auvergne( 1300 \u2013 1332) was Count of Auvergne and Count of Boulogne between 1325 and 1332.", "He was the eldest son of Robert VII of Auvergne and Blanche of Bourbon, daughter of Robert, Count of Clermont.", "He married Margaret of \u00c9vreux( 1307 \u2013 1350), daughter of Louis, Count of \u00c9vreux and Margaret of Artois .< br>", "William died young and had only one daughter:"]], ["Henry, son of Robert I of Burgundy", ["Henry of Burgundy (c. 1035 \u2013 January 27, 1070/1074), called the Gallant (\"le Damoiseau\"), was the eldest surviving son and heir of Robert I, Duke of Burgundy, second son of Robert II of France, and his wife, Helie of Semur, granddaughter of Henry I, Duke of Burgundy.", "Little is known about his life.", "He died shortly before his father and was never duke himself.", "The name of Henry's wife is not known, though both Sibylla and Cl\u00e9mence have been suggested.", "The first of these derives from an undated obituary from Besan\u00e7on, Sainte-Etienne, naming \"Sibilla, mater ducus Burgundie\" (Sibylla, mother of the Duke of Burgundy), it being reasoned that since she is not called duchess, she must have been married to the sole father of a duke who was not a duke himself, Henry.", "However, it has been argued by Jean Richard that this is a reference to Sibylla of Burgundy, Duchess of Burgundy, mother of the then-ruling duke, Hugh II.", "Richard proposed based on the name's repeated use among the descendants of her son Odo I, Duke of Burgundy that she may have been named Cl\u00e9mence, although Odo's wife had a sister, Clementia of Burgundy, who could have been the inspiration for its use among their descendants.", "Based on the use of the byname \"Borel\" by Odo I, genealogist Szabolcs de Vajay proposed that his mother was the daughter of Berenguer Ramon I, Count of Barcelona and his third wife, Guisle of Lluca, and hence granddaughter of Ramon Borrell, Count of Barcelona, although there is no documentary evidence that this was the case.", "Henry's wife died on or after July 6, 1074."]], ["Sibylla of Burgundy, Duchess of Burgundy", ["Sybilla of Burgundy( 1065 \u2013 1103), was a French noble, Duchess consort of Burgundy by marriage to Eudes I, Duke of Burgundy.", "She was a daughter of William I, Count of Burgundy and Stephanie.", "She was married to Eudes I, Duke of Burgundy in 1080.", "Children:"]], ["Florine of Burgundy", ["Florine of Burgundy( 1083\u20131097) was a French crusader.", "She was the daughter of Eudes I, Duke of Burgundy and Sybilla of Burgundy.", "Her maternal grandfather was William I, Count of Burgundy.", "Florine was married to Sweyn the Crusader, a son of Sweyn II of Denmark."]], ["Joan III, Countess of Burgundy", ["Joan III of Burgundy( 1/2 May 1308 \u2013 10/15 August 1347), also known as Joan of France was a reigning Countess of Burgundy and Artois in 1330 \u2013 1349, She was also Duchess of Burgundy by marriage to Odo IV, Duke of Burgundy.", "She was the eldest daughter of King Philip V of France and Countess Joan II of Burgundy."]]]
supporting_facts: [["Robert, Count of Burgundy", 0], ["Mahaut, Countess of Artois", 0]]
evidences: [["Robert, Count of Burgundy", "mother", "Mahaut, Countess of Artois"], ["Mahaut, Countess of Artois", "date of death", "27 November 1329"]]
answer: 27 November 1329