Question: The genus Mesadactylus was named in 1989 by James Jensen and a professor that was born in this year?
Context: Kevin Padian (born 1951) is a Professor of Integrative Biology at the University of California, Berkeley, Curator of Paleontology, University of California Museum of Paleontology and President of the National Center for Science Education.  Padian's area of interest is in vertebrate evolution, especially the origins of flight and the evolution of birds from theropod dinosaurs.  He served as an expert witness for the plaintiffs in the "Kitzmiller v. Dover Area School District" trial, and his testimony was repeatedly cited in the court's decision. Niclas Christian Monberg Jensen (born 17 August 1974 in Copenhagen, Denmark) is a former Danish professional football player and current football agent.  He played as a left back, and most notably won three Danish Superliga championships with F.C. Copenhagen.  He played abroad for Dutch club PSV Eindhoven, English clubs Manchester City and Fulham F.C., as well as German club Borussia Dortmund.  Jensen played 62 games for the Danish national team between 1998 and 2008, representing Denmark at the 2002 FIFA World Cup and 2004 European Championship.  He was named 1995 Danish "Under-21 Player of the Year". James Christopher Jensen (born November 14, 1958) is a former professional American football wide receiver, running back, tight end and quarterback who played for the Miami Dolphins from 1981 to 1992 of the National Football League and for the Miami Hooters of the Arena Football League.  He played quarterback for the Boston University Terriers where he compiled a 17-3-1 record as a starter and was named the Offensive Player of the Year in the Yankee Conference as well as All-Conference. Dr. V. Nagaraja (born 16 May 1954) is a Professor, Department of Microbiology and Cell Biology, Indian Institute of Science, Bengaluru.  He had received his B.Sc.  and M.Sc.  degrees in the year 1973 and 1975 from the Bangalore University.  He completed his Ph.D. in 1981 from Department of Microbiology and Cell Biology at IISc and the work on mycobacteriophage I3 and role of DNA gyrase in mycobacteria set the stage for his later work when he joined the Institute as an assistant professor in 1989.  After his PhD in 1981, he was a research associate at Biozentrum, University of Basel, Switzerland (1981–85) and at Department of Biology, University of Rochester, USA(1985–89).  He joined in 1989 as an Assistant Professor, in Centre for Genetic Engineering, IISc and was involved in setting up of the department.  He became an associate professor in 1995 at Department of Microbiology and Cell Biology, IISc, Professor in 2000 and served as professor and chairman of the department (2008–2013). Mikkel Jensen (born January 6, 1977) is a retired Danish football (soccer) player in the central midfielder position.  He has won three Danish Superliga championships with Brøndby IF.  Jensen played 47 games and scored one goal for various Danish national youth selections, including 21 matches for the Danish under-21 national team.  He was named 1998 Danish "under-21 Talent of the Year". Palaeopteryx (meaning "ancient wing") is a genus of theropod dinosaur now considered a "nomen dubium".  It was named and misidentified by J. A. Jensen in 1981, then redescribed by Jensen and K. Padian in 1989.  At that time the binomial "Palaeopteryx thomsoni" was deemed invalid by Jensen.  The only referred specimen is a single bone fragment (BYU 2022). The Unearthing is a 2015 American coming of age drama film by Tristan James Jensen and stars Riley Yeary, Angelina Masciopinto, and Kaleb Miller in the lead roles.  The film follows a girl named Autumn who moves to Stillwater, Minnesota for the summer.  She meets two misfit children, Charlotte and Parker, and together they seek to give a ghost closure. Ryan James Jensen (born September 20, 1977) is an American mixed martial artist, who has competed for the UFC, where he held a record of 2-6, a one-fight stint with Strikeforce. Mesadactylus ('mesa finger') is an extinct genus of pterosaur from the Kimmeridgian-Tithonian-age Upper Jurassic Morrison Formation of Colorado, United States.  The genus was named in 1989 by James Jensen and Kevin Padian.  The type species is "Mesadactylus ornithosphyos". Cathetosaurus is a dinosaur sauropod genus that contains one species: "Cathetosaurus lewisi" that was thought to be within the "Camarasaurus" genus.  The holotype specimen was originally described by James Jensen and is now in the Brigham Young University collection.
Answer: 1951