question: What is the date of death of Frederick Christian I, Duke Of Schleswig-Holstein-Sonderburg-Augustenburg's father?
context: [["Thomas Scott (diver)", ["Thomas Scott( 1907- date of death unknown) was an English diver."]], ["Theodred II (Bishop of Elmham)", ["Theodred II was a medieval Bishop of Elmham.", "The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997."]], ["Frederick Christian Schang", ["Frederick Christian Schang III( December 15, 1893 \u2013 July 15, 1971) was a talent agent and later president of Columbia Artists Management."]], ["Bill Smith (footballer, born 1897)", ["William Thomas Smith( born 9 April 1897, date of death unknown) was an English professional footballer."]], ["Fred C. Britton", ["Frederick Christian Britton (21 May 1889 \u2013 14 December 1931) was an artist and arts educator in South Australia and New South Wales."]], ["Frederick Christian I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg", ["Frederick Christian I (6 April 1721 \u2013 13 November 1794) was Duke of Schleswig-Holstein-Sonderburg-Augustenburg from 1754 to 1794.", "He was the eldest son of Christian August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (1696\u20131754) and his wife Duchess Louise Frederikke", "\"n\u00e9e\" Countess af Danneskiold-Sams\u00f8e (1699\u20131744).", "In 1754, his father died and Frederick Christian inherited Augustenborg Castle and Gr\u00e5sten.", "However, these estates were deeply in debt.", "He waived his claims on the duchies of Schleswig and Holstein and in return the King of Denmark (who was also Duke of Schleswig and Holstein) granted him a favourable settlement.", "This allowed him to purchase Als and Sundeved, making him the largest landowner in Schleswig.", "He was also able to expand Augustenborg Castle, the family residence.", "Frederick Christian served as a general in the Danish army.", "He was a Knight of the Order of the Elephant."]], ["Harry Wainwright (footballer)", ["Harry Wainwright( born 1899; date of death unknown) was an English footballer."]], ["Albert Thompson (footballer, born 1912)", ["Albert Thompson( born 1912, date of death unknown) was a Welsh footballer."]], ["Etan Boritzer", ["Etan Boritzer( born 1950) is an American writer of children \u2019s literature who is best known for his book\" What is God?\" first published in 1989.", "His best selling\" What is?\" illustrated children's book series on character education and difficult subjects for children is a popular teaching guide for parents, teachers and child- life professionals.", "Boritzer gained national critical acclaim after\" What is God?\" was published in 1989 although the book has caused controversy from religious fundamentalists for its universalist views.", "The other current books in the\" What is?\" series include", "What is Love?,", "What is Death?,", "What is Beautiful?,", "What is Funny?,", "What is Right?,", "What is Peace?,", "What is Money?,", "What is Dreaming?,", "What is a Friend?,", "What is True?,", "What is a Family?,", "What is a Feeling?\"", "The series is now also translated into 15 languages.", "Boritzer was first published in 1963 at the age of 13 when he wrote an essay in his English class at Wade Junior High School in the Bronx, New York on the assassination of John F. Kennedy.", "His essay was included in a special anthology by New York City public school children compiled and published by the New York City Department of Education.", "Boritzer now lives in Venice, California and maintains his publishing office there also.", "He has helped numerous other authors to get published through\" How to Get Your Book Published!\" programs.", "Boritzer is also a yoga teacher who teaches regular classes locally and guest- teaches nationally.", "He is also recognized nationally as an erudite speaker on\" The Teachings of the Buddha.\""]], ["Christian August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg", ["Christian August", "I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (4 August 1696 \u2013 20 January 1754) was a son of Frederick William of Schleswig-Holstein-Sonderburg-Augustenburg, who was himself a son of Ernest G\u00fcnther.", "He served as provost of the cathedral chapter in Hamburg.", "Later, he became governor of the Danish island Als, then General of the Infantry and Colonel of the royal guards in Denmark.", "In 1731, Christian August I succeeded his childless uncle Ernest August."]]]
supporting_facts: [["Frederick Christian I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg", 1], ["Christian August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg", 1]]
evidences: [["Frederick Christian I", "father", "Christian August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg"], ["Christian August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg", "date of death", "20 January 1754"]]
answer: 20 January 1754