question: Who is the maternal grandmother of Elisabeth Of Moravia?
context: [["John Sobieslaw of Moravia", ["John Sobieslaw of Moravia (1352 - c. 30 October 1380) was a Czech feudal lord, junior margrave of Moravia.", "John was the third son of John Henry, Margrave of Moravia and Margaret of Opava.", "In historiography, he was mistaken for his illegitimate half-brother patriarch of Aquileia John of Moravia, for a long time."]], ["Tjuyu", ["Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.", "She is the grandmother of Akhenaten, and great grandmother of Tutankhamun."]], ["Margaret of Opava", ["Margaret of Opava", "(Czech: \"Mark\u00e9ta Opavsk\u00e1\", Silesian: \"Margaret s Uopawje\", German: \"Margaret von Troppau\", Polish: \"Ma\u0142gorzata opawska\"; 1330\u20131363) was the youngest daughter of Nicholas II of Opava, (grandson of P\u0159emysl II, Otakar, King of Bohemia) and his third wife Anna of Racib\u00f3rz.", "She became Margravine consort of Moravia by her marriage to John Henry of Moravia (1353).", "Margaret was buried in Saint Thomas, Brno."]], ["Anne Denman", ["Anne Denman( 1587\u20131661) was born in Olde Hall, Retford, Nottinghamshire.", "Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne."]], ["Mona Hopton Bell", ["Mona Hopton Bell( 1867- 1940) was a British artist, best known for her portraits of civic figures.", "She was the grandmother of the painter Jean H. Bell."]], ["Hubba bint Hulail", ["Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic\" Nab\u012b\"( Prophet) Muhammad ibn Abdullah."]], ["Elisabeth of Moravia", ["Elizabeth of Moravia", "(German: \"Elisabeth von M\u00e4hren\",", "Czech: \"Al\u017eb\u011bta Moravsk\u00e1\", Upper Sorbian: \"Hil\u017ebjeta Morawska\", c. 1355 \u2013 20 November 1400) was the second daughter and third issue of John Henry of Moravia, (grandson of P\u0159emysl II, Otakar, King of Bohemia) and his second wife Margaret of Opava.", "She became Margravine consort of Meissen by her marriage to William I, Margrave of Meissen (1366).", "Elizabeth was buried in Prince's Chapel of St. John and St. Donatus Cathedral of Meissen."]], ["Kaoru Hatoyama", ["After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama."]], ["Louisa Cavendish-Bentinck", ["Caroline Louisa Cavendish- Bentinck( n\u00e9e Burnaby; 5 December 1832 \u2013 6 July 1918) was the maternal grandmother of Queen Elizabeth The Queen Mother and the great- grandmother of Elizabeth II."]], ["Hannah Arnold", ["Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children."]]]
supporting_facts: [["Elisabeth of Moravia", 2], ["Margaret of Opava", 1]]
evidences: [["Elizabeth of Moravia", "mother", "Margaret of Opava"], ["Margaret of Opava", "mother", "Anna of Racib\u00f3rz"]]
answer: Anna of Racibórz