question: What is the date of death of Baldwin Vii, Count Of Flanders's mother?
context: [["Margaret I, Countess of Flanders", ["Margaret I of Flanders( c. 1145- died 15 November 1194) was ruling countess of Flanders\" suo jure\" from 1191 to her death.", "She was the daughter of Thierry, Count of Flanders, and Sibylla of Anjou, and the heiress of her childless brother, Philip of Flanders."]], ["Baldwin VII, Count of Flanders", ["Baldwin VII of Flanders (1093 \u2013 17 July 1119) was Count of Flanders from 1111 to 1119.", "Baldwin was the son of Robert II, Count of Flanders and Clementia of Burgundy.", "He succeeded his father as count when he died on 5 October 1111.", "The inexperienced new count solicited the advice of his cousin, Charles the Good, who was several years older.", "It was Baldwin who arranged the marriage of Charles to the heiress of the County of Amiens, Margaret of Clermont, in 1118.", "In 1105, Baldwin married Hawise of Brittany (also called Havide), daughter of Alan IV, Duke of Brittany.", "The groom was twelve, and the bride, only nine.", "The union, in all probability, was never consummated.", "They were divorced in 1110.", "Baldwin did not remarry.", "Baldwin and Hawise had no known issue.", "He died after being wounded in September 1118 at the Battle of Bures-en-Bray, where he was fighting Henry I of England, on behalf of Louis VI of France.", "When he was dying in 1119, Baldwin declared his cousin Charles his heir.", "Charles became the new Count of Flanders after his death."]], ["Baldwin V, Count of Flanders", ["Baldwin V of Flanders( c. 1012 \u2013 1 September 1067) was Count of Flanders from 1035 until his death.", "He was the son of Baldwin IV, Count of Flanders, who died in 1035."]], ["Clementia of Burgundy", ["Clementia of Burgundy (c. 1078 \u2013 c. 1133) was a Countess of Flanders by marriage.", "She acted as regent of Flanders from 1096 until 1100, while her husband was on crusade, and acted as the co-ruler of her son Baldwin VII from 1111 until 1119."]], ["Margaret I, Countess of Burgundy", ["Margaret I( 1310 \u2013 9 May 1382), was a ruling Countess Palatine of Burgundy and Artois from 1361 and 1382.", "She was also countess of Flanders, Nevers and Rethel by marriage to Louis I, Count of Flanders, and regent of Flanders during the minority of her son Louis II, Count of Flanders in 1346."]], ["Robert I, Count of Flanders", ["Robert I of Flanders( \u2013 1093), known as\" Robert the Frisian\", was count of Flanders from 1071 to his death in 1093."]], ["Henry of Flanders", ["Henry( 1176? \u2013 11 June 1216) was the second emperor of the Latin Empire of Constantinople.", "He was a younger son of Baldwin V, Count of Hainaut( later Baldwin VIII, count of Flanders), and Margaret I of Flanders, sister of Philip of Alsace, count of Flanders."]], ["Baldwin II, Count of Hainaut", ["Baldwin II of Mons( 1056\u20131098?) was count of Hainaut from 1071 to his death.", "He was the younger son of Baldwin VI, Count of Flanders and Richilde, Countess of Mons and Hainaut."]], ["Arnulf I, Count of Flanders", ["Arnulf of Flanders( c. 890 \u2013 27 March 965), called the Great, was the first Count of Flanders."]], ["Richilde, Countess of Hainaut", ["Richilde, Countess of Mons and Hainaut( \u2013 15 March 1086), was a ruling countess of Hainaut from c. 1050 until 1076, in co-regency with her husband Baldwin VI, Count of Flanders and son Baldwin II, Count of Hainaut.", "She was also countess consort of Flanders by marriage to Baldwin VI, Count of Flanders.", "She served as regent of Flanders during the minority of her son Arnulf III, Count of Flanders in 1070- 1071."]]]
supporting_facts: [["Baldwin VII, Count of Flanders", 1], ["Clementia of Burgundy", 0]]
evidences: [["Baldwin VII of Flanders", "mother", "Clementia of Burgundy"], ["Clementia of Burgundy", "date of death", "1133"]]
answer: 1133