question: When did Publius Aelius Hadrianus Afer's father die?
context: [["Publius Aelius Hadrianus Afer", ["Publius Aelius Hadrianus Afer was a distinct and wealthy Roman Senator and soldier who lived in the Roman Empire during the 1st century.", "Hadrianus Afer was originally from Spain; however, he was of Roman descent.", "He was born and raised in the grand city of Italica (near modern Seville, Spain) in the Roman Province of Hispania Baetica.", "He came from a well-established, wealthy and aristocratic family of Praetorian rank.", "He was the son of the noble Roman woman called Ulpia and his father was a Roman Senator called Publius Aelius Hadrianus Marullinus.", "Hadrianus Afer\u2019s maternal uncle was the Roman General and Senator Marcus Ulpius Traianus, the father of Ulpia Marciana and her younger brother Emperor Trajan.", "Ulpia Marciana and Trajan were his maternal cousins.", "Throughout his life, Hadrianus Afer spent various amounts of his time in Rome.", "His surname \"Afer\" is Latin for African.", "He received the surname \"Afer\" as a nickname, due to his outstanding service in Mauretania.", "Hadrianus Afer married Domitia Paulina, a Spanish Roman woman from a distinguished senatorial family who came from Gades (modern C\u00e1diz, Spain).", "Their children were a daughter, Aelia Domitia Paulina (75\u2013130) and a son, Emperor Publius Aelius Hadrianus (76\u2013138).", "After reaching the praetorship, Afer and his wife died in 86.", "His son and daughter were put in the guardianship of his cousin Trajan and the Roman officer Publius Acilius Attianus."]], ["Thomas Scott (diver)", ["Thomas Scott( 1907- date of death unknown) was an English diver."]], ["Aelius Hadrianus Marullinus", ["Publius Aelius Hadrianus Marullinus (c. 31 \u2013 c. 91 AD), also known as Aelius Hadrianus Marullinus or Aelius Marullinus was a Roman Senator of Praetorian rank from Hispania that lived during the Roman Empire in the 1st century."]], ["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.\""]], ["Harry Johnson (wrestler)", ["Harry Johnson( 1903- date of death unknown) was an English wrestler."]], ["Bill Smith (footballer, born 1897)", ["William Thomas Smith( born 9 April 1897, date of death unknown) was an English professional footballer."]], ["Fred Bradley (rower)", ["Frederick Bradley( 1908- date of death unknown) was an English rower."]], ["Harry Wainwright (footballer)", ["Harry Wainwright( born 1899; date of death unknown) was an English footballer."]], ["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."]]]
supporting_facts: [["Publius Aelius Hadrianus Afer", 4], ["Aelius Hadrianus Marullinus", 0]]
evidences: [["Publius Aelius Hadrianus Afer", "father", "Publius Aelius Hadrianus Marullinus"], ["Publius Aelius Hadrianus Marullinus", "date of death", "91"]]
answer: 91