question: Who is older, Pavel Urysohn or Yuri Matiyasevich?
answer: Pavel Samuilovich Urysohn
context: Title: Pavel Grechishko
  Passage: Pavel Grechishko (Belarusian: Павел Грачышка ; Russian: Павел Гречишко ; born 23 March 1989) is a Belarusian professional footballer.  As of 2017, he plays for Energetik-BGU Minsk.  He has played under coach Yuri Puntus in several teams.
  Title: The Tale of the Stone Flower (Prokofiev)
  Passage: The Tale of the Stone Flower, Op. 118 (Russian: Сказ о каменном цветке ), is Sergei Prokofiev's eighth and last ballet, written between 1948 and 1953.  It is based on the Russian Ural folk tale "The Stone Flower" by Pavel Bazhov and is also the last of the trilogy of ballets Prokofiev wrote in the Russian ballet tradition.  It was premiered posthumously in 1954, conducted by Yuri Fayer.
  Title: Yuri Matiyasevich
  Passage: Yuri Vladimirovich Matiyasevich, (Russian: Ю́рий Влади́мирович Матиясе́вич ; born March 2, 1947, in Leningrad) is a Russian mathematician and computer scientist.  He is best known for his negative solution of Hilbert's tenth problem (Matiyasevich's theorem), which was presented in his doctoral thesis at LOMI (the Leningrad Department of the Steklov Institute of Mathematics).
  Title: 1996 Moscow Victory Day Parade
  Passage: The 1996 Moscow Victory Day Parade was a parade held in Red Square on 9 May 1996 to commemorate the 51st anniversary of the capitulation of Nazi Germany in 1945.  The annual parade marks the Allied victory in the Great Patriotic War on the same day as the signing of the German act of capitulation to the Allies in Berlin, at midnight 9 May 1945 (Russian time). The Supreme Commander of Russian Armed Forces, President of Russia Boris Yeltsin, Prime Minister Viktor Chernomyrdin, Moscow Mayor Yuri Luzhkov, as well as government officials stood on the grandstand of Lenin's Mausoleum.  It would be the last time the Mausoleum would be used in a Moscow parade.  The parade commander was the commander of the Moscow Military District, Colonel-General Leonid Kuznetsov.  The parade was inspected by the Defense Minister of Russia, General of the Army Pavel Grachev.  7,370 military personnel took part in the parade.  Military equipment did not participate in the parade.  The parade is also the first time the Victory Banner was trooped on Red Square before the parade.
  Title: Minaret (band)
  Passage: Founding members were recently accepted to Azerbaijan Polytechnical Institute, it was there they agreed to create the band in 1981.  Name 'Minaret' chosen by Otar Jalilov.  Bassist Vadim Syrykh soon joined the band.  Despite being university students now, they were practicing in their older school №175.  They initially played songs written by other Soviet composers.  Otar Jalilov and Pavel Bulak were mainly influenced by Pink Floyd, Yes, Argent and Genesis.  After collapse of Soviet Union, Minaret began to compose their own songs.  They played live in rock festivals in Baku, such as "Rock Panorama 88'", "Rock Panorama 89"', "Baku Autumn" and so on.  "Kino", "Scottish Elegy", "Number", "Shy Hope" were their main tracks played live.
  Title: Soyuz 14
  Passage: Soyuz 14 (Russian: Союз 14 , "Union 14") was a 1974 manned spaceflight to the Salyut 3 space station.  "Soyuz 14" is also the name given to the Soyuz spacecraft which was used to bring the cosmonauts to and from the station.  The mission was part of the Soviet Union's Almaz program to evaluate the military applications of human spaceflight.  The mission's crew members were cosmonauts Yuri Artyukhin and Pavel Popovich.  At the time, the military nature of this mission and the station itself were not acknowledged by Soviet authorities.  The flight was the first successful mission to a space station by the Soviets.  The mission proved to be the only one for Salyut 3 as Soyuz 15 failed to dock with the station in August and the station was de-orbited January 1975.  With the American Skylab missions now complete, the flight marked the start of the monopoly of manned space activities by the Soviets until the 1981 launch of STS 1, the first space shuttle flight, save for the joint Apollo-Soyuz flight of 1975.
  Title: Seminobatrachus
  Passage: Seminobatrachus is an extinct genus of neotenic salamander from late Paleocene to early Eocene deposits of Cherkassy Region, central Ukraine.  It is known from 14 skeletons from a drill hole near Boltyshka village.  It was first named by Pavel P. Skutschas and Yuri M. Gubin in 2011 and the type species is "Seminobatrachus boltyschkensis".
  Title: Pavel Urysohn
  Passage: Pavel Samuilovich Urysohn (Па́вел Самуи́лович Урысо́н ) (February 3, 1898 – August 17, 1924) was a Soviet mathematician of Jewish origin who is best known for his contributions in dimension theory, and for developing Urysohn's Metrization Theorem and Urysohn's Lemma, both of which are fundamental results in topology.  His name is also commemorated in the terms Urysohn universal space, Fréchet–Urysohn space, Menger–Urysohn dimension and Urysohn integral equation.  He and Pavel Alexandrov formulated the modern definition of compactness in 1923.
  Title: Géraud Sénizergues
  Passage: Géraud Sénizergues (born 1957) is a French computer scientist at the University of Bordeaux.  With Yuri Matiyasevich he obtained results about the Post correspondence problem.  He won the 2002 Gödel Prize "for proving that equivalence of deterministic pushdown automata is decidable"
citations: Pavel Urysohn Yuri Matiyasevich