Please answer the following question: Information: - The Great Purge or the Great Terror was a campaign of political repression in the Soviet Union which occurred from 1936 to 1938. It involved a large-scale purge of the Communist Party and government officials, repression of peasants and the Red Army leadership, and widespread police surveillance, suspicion of "saboteurs", imprisonment, and arbitrary executions. In Russian historiography, the period of the most intense purge, 19371938, is called Yezhovshchina (literally, "Yezhov phenomenon", commonly translated as "times of Yezhov" or "doings of Yezhov"), after Nikolai Yezhov, the head of the Soviet secret police, NKVD. It has been estimated between 600,000 and 3 million people died at the hands of the Soviet government during the Purge. - Anatoly Naumovich Rybakov ( Russian : ; January 14 ( O.S. January 1 ) 1911 -- December 23 , 1998 ) was a Soviet and Russian writer , the author of the anti-Stalinist Children of the Arbat tetralogy , novel Heavy Sand , and many popular children books including Adventures of Krosh , Dirk , Bronze Bird , etc. One of the last of his works was his memoir The Novel of Memoirs ( - ) telling about all the different people ( from Stalin and Yeltsin , to Okudzhava and Tendryakov ) he met during his long life . Writer Maria Rybakova is his granddaughter . - Children of the Arbat is a novel by Anatoly Rybakov that recounts the era in the Soviet Union of the build-up to the Congress of the Victors, the early years of the second Five Year Plan and the (supposed) circumstances of the murder of Sergey Kirov prior to the beginning of the Great Purge. It is the first book of the tetralogy, followed by the books "1935 and Other Years" (1989), "Fear" and "Dust and Ashes". - Sergei Mironovich Kirov, born Kostrikov ( 1 December 1934), was a prominent early Bolshevik leader in the Soviet Union. Kirov rose through the Communist Party ranks to become head of the party organization in Leningrad. - The Soviet Union, officially the Union of Soviet Socialist Republics (USSR " ) was a socialist state in Eurasia that existed from 1922 to 1991. A union of multiple subnational republics, its government and economy were highly centralized. The Soviet Union was a one-party federation, governed by the Communist Party with Moscow as its capital. - Anatoly Naumovich Rybakov ( 23 December 1998) was a Soviet and Russian writer, the author of the anti-Stalinist "Children of the Arbat "tetralogy, the novel "Heavy Sand", and many popular children books including "Adventures of Krosh", "Dirk" and "Bronze Bird". One of the last of his works was his memoir "The Novel of Memoirs" (-) telling about all the different people (from Stalin and Yeltsin, to Okudzhava and Tendryakov) he met during his long life. Writer Maria Rybakova is his granddaughter. - Maria Aleksadrovna Rybakova (b. 1973 in Moscow) is a Russian writer, whose works are published in multiple languages. What entity does 'anatoly rybakov' has the relation 'date of death' with?
A:
23 december 1998