question: Which country Harald Ii Of Denmark's mother is from?
context: [["Sweyn Forkbeard", ["Sweyn Forkbeard", "( Old Norse:\" Sveinn Haraldsson tj\u00faguskegg\"; Danish:\" Svend Tvesk\u00e6g\"; 960 \u2013 3 February 1014) was king of Denmark from 986 to 1014.", "He was the father of King Harald II of Denmark, King Cnut the Great and Queen Estrid Svendsdatter.", "In the mid-980s, Sweyn revolted against his father, Harald Bluetooth, and seized the throne.", "Harald was driven into exile and died shortly afterwards in November 986 or 987.", "In 1000, with the allegiance of Trondejarl, Eric of Lade, Sweyn ruled most of Norway.", "In 1013, shortly before his death, he became the first Danish king of England after a long effort."]], ["Sophie of Mecklenburg-G\u00fcstrow", ["Sophie of Mecklenburg-G\u00fcstrow (4 September 1557 \u2013 14 October 1631) was Queen of Denmark and Norway by marriage to Frederick II of Denmark.", "She was the mother of King Christian IV of Denmark.", "She was Regent of Schleswig-Holstein 1590\u20131594."]], ["John Dalgleish Donaldson", ["John Dalgleish Donaldson( born 5 September 1941) is a Scottish- Australian professor and the father of Mary, Crown Princess of Denmark, the wife of the heir apparent to the throne of Denmark, Frederik, Crown Prince of Denmark."]], ["Ingeborg of Denmark, Queen of France", ["Ingeborg of Denmark( 1174 \u2013 29 July 1237) was Queen of France by marriage to Philip II of France.", "She was a daughter of Valdemar I of Denmark and Sofia of Minsk."]], ["Harald II of Denmark", ["Harald II of Denmark (c. 996\u2013998 \u2212 1018) was King of Denmark from 1014 until his death in 1018.", "He was the youngest son of Sweyn Forkbeard and Gunhild of Wenden, and was regent while his father was fighting Ethelred the Unready in England.", "He inherited the Danish throne in 1014, and held it while his brother, the later king Cnut the Great conquered England.", "After his death in 1018, he was succeeded by Cnut the Great.", "Little detail is known about Harald II."]], ["Gunhild of Wenden", ["Gunhilda of Wenden was a semi-legendary Polish or other Slavic princess and Danish Viking age queen consort, the supposed spouse of 10th-century King Sweyn I of Denmark (986\u20131014)."]], ["Eric IV of Denmark", ["Eric IV, also known as Eric Ploughpenny or Eric Plowpenny,( \u2013 10 August 1250) was king of Denmark from 1241 until his death in 1250.", "He was the son of Valdemar II of Denmark by his wife, Berengaria of Portugal, and brother of King Abel of Denmark and King Christopher I of Denmark"]], ["Valdemar I of Denmark", ["Valdemar I of Denmark( 14 January 1131 \u2013 12 May 1182), also known as Valdemar the Great, was King of Denmark from 1146 until his death in 1182.", "The reign of King Valdemar I saw the rise of Denmark, which reached its zenith under his second son, and successor, King Valdemar II of Denmark."]], ["Francis of Denmark", ["Francis of Denmark( 15 July 1497 \u2013 1 April 1511), was a prince of Denmark, Norway and Sweden, the youngest son of King John of Denmark and Christina of Saxony."]], ["Princess Caroline-Mathilde of Denmark", ["Princess Caroline- Mathilde of Denmark( 27 April 1912 \u2013 12 December 1995) was a daughter of Prince Harald of Denmark and granddaughter of King Frederick VIII of Denmark.", "As the wife of Knud, Hereditary Prince of Denmark, she became Hereditary Princess of Denmark."]]]
supporting_facts: [["Harald II of Denmark", 1], ["Gunhild of Wenden", 0]]
evidences: [["Harald II of Denmark", "mother", "Gunhild of Wenden"], ["Gunhild of Wenden", "country of citizenship", "Polish"]]
answer: Polish