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In this task, you are given a set of context paragraphs, some supporting facts and an answer of a question. Your task is to generate question for given answer based on set of context paragraphs, supporting facts and an answer.

Context_1 : The University of Basel (German: "Universitat Basel") is located in Basel, Switzerland. Founded on 4 April 1460, it is Switzerland's oldest university and is counted among the leading institutions of the country. Context_2 : Bruno S. Frey (born May 4, 1941 in Basel, Switzerland) is a Swiss economist and permanent visiting professor for Political Economy at the University of Basel. Before, he taught at the University of Zurich and the Warwick Business School (UK). Bruno S. Frey is considered a pioneer in the fields of Political Economy and Happiness Economics. Frey has written, co-written or edited more than a dozen books and has written more than 350 journal articles. Frey published not only in scholarly journals in Economics, but also in journals in Political Science, Management, Psychology, Sociology, Law, History, Arts, Culture, and Theology. In 2011, Frey was criticised for and admitted to self-plagiarism. Context_3 : Amandus Polanus von Polansdorf (16 December 1561, Opava, Silesia 17 July 1610, Basel, Switzerland) was a German theologian of early Reformed orthodoxy. After his education in Troppau (Opava), Breslau (Wroclaw, Vratislav), Tubingen, Basel, and Geneva (15771584), he served as a tutor to the family of Zerotin in Heidelberg and Basel (15841590), and later taught at the Bohemian Brethren school in Ivancice. Between 1591 and 1595 he again tutored for the Zerotins, traveling from Moravia to Strasbourg and Basel. Polanus spent the last part of his life in Basel, where he became professor of Old Testament in April 1596, and later that same year married the daughter of the professor of ancient languages, Johann Jakob Grynaeus (15401617). Polanus also served as a dean of the theological faculty between 1598 and 1600, and again later between 1601 and 1609, and he was rector of Basel University in 1600 and 1609. Context_4 : Walter Jakob Gehring (1939 29 May 2014) was a Swiss developmental biologist who was a professor at the Biozentrum Basel of the University of Basel, Switzerland. He obtained his PhD at the University of Zurich in 1965 and after two years as a research assistant of Professor Ernst Hadorn he joined Professor Alan Garen's group at Yale University in New Haven as a postdoctoral fellow. Context_5 : The Swiss Gemmological Institute SSEF is a gemmology laboratory located in Basel, Switzerland. It is a part of the Schweizerische Stiftung fur Edelstein Forschung (SSEF, Swiss Foundation for Gemstone Research). It was founded on an independent basis, by trade organisations, in 1974. George Bosshart, mineralogist and GG was the first director after the laboratory's opening in Zurich. Diamond grading was the major task and colour stones were tested rather exceptionally. In 1980 Bosshart hired Dr. Henry A. Hanni, Mineralogist and FGA. In 1994 Hanni moved the laboratory to Basel. He has been teaching gemmology at Basel university, and the close link to the university proved to be very enriching for both parts, academic and laboratory work. Hanni became professor of gemmology at Basel University, also a reward for his years of steady research and supply of publications. Prof. H.A. Hanni retired in 2009 and Dr. Michael Krzemnicki took over his position as a director. Dr. Krzemnicki has been working for SSEF since 1999. Context_6 : EHC Basel, also known as Eishockey Club Basel are a professional Swiss ice hockey team. They are based out of the St. Jakob Arena in Basel, Switzerland. EHC Basel was founded on October 14, 1932. Were promoted to the Nationalliga A for 200506 after winning the Nationalliga B the previous season. They made the playoffs and were drawn against defending champions HC Davos in the first round, losing the series 4-1. Basel finished in last place in 200607, but managed to avoid relegation by beating SCL Tigers in the playouts. EHC Basel has won five championships of the Nationalliga B in 1935, 1941, 1956, 2003, and 2005. Again in 2007-08 they finished bottom and were relegated to National League B (after losing in the playouts). Context_7 : Manfred Reichel (18961984) was a Swiss micropaleontologist best known for his work on the morphology of foraminiferans, especially alveolinids. He taught as a professor at the University of Basel for almost forty years, where he became the school's first Professor of Paleontology in 1940. Lukas Hottinger studied under him during this time. Trained in zoology, Reichel also had a keen interest in the flight mechanics of birds, pterosaurs and bats, about which he published several papers. Context_8 : The Basel University Library is one of the largest libraries in Switzerland. The library is located at the University of Basel, Schonbeinstrasse 18/20, 4056, Basel, Switzerland and is also "Kantonsbibliothek" of Basel-City. Context_9 : Hans Tugi (c. 14601519) was a Swiss organ builder. He was born in Basel, son of a gunsmith. He matriculated at the University of Basel in 1476-77. By the turn of the century, Tugi was one of the most important organ builders in Switzerland and south-west Germany. Places he worked at and built instruments for include the following: Context_10 : Ulloa Music School of Basel, Switzerland is a "school for music education for babies, youthlets and youth", located in Basel, Switzerland. Its curricula includes flute, piano, recorder and guitar lessons, as well as internationally recognized music programs for early childhood. A special program of Music History of Latin-American music, Cuban and mexican music is available for adults. Classes are taught in English, Spanish and German since Basel is a multicultural city. fact_1 : Manfred Reichel (18961984) was a Swiss micropaleontologist best known for his work on the morphology of foraminiferans, especially alveolinids. fact_2 : He taught as a professor at the University of Basel for almost forty years, where he became the school's first Professor of Paleontology in 1940. fact_3 : The University of Basel (German: "Universitat Basel") is located in Basel, Switzerland. fact_4 : Founded on 4 April 1460, it is Switzerland's oldest university and is counted among the leading institutions of the country. Answer: University of Basel
Output:
Manfred Reichel taught as a professor at what university located in Basel, Switzerland, that was founded on 4 April 1460?