question: What is the name of the writer who wrote a novel about a Berlin conference held on 20 January 1942?
answer: Robert Harris
context: Title: Fatherland (novel)
  Passage: Fatherland is a 1992 alternate history detective novel by English writer and journalist Robert Harris.  Set in a universe where Nazi Germany won World War II, the story's lead protagonist is an SS officer investigating the murder of a Nazi government official who was one of the participants at the Wannsee Conference.  In so doing, he discovers a plot to eliminate all attendees of the conference in order to help Germany establish better political relations with the United States.
  Title: Berlin Conference (1954)
  Passage: The Berlin Conference of 1954 was a meeting of the "Big Four" foreign ministers of the United States (John Foster Dulles), Britain (Anthony Eden), France (Georges Bidault), and the Soviet Union (Vyacheslav Molotov), on January 25-February 18, 1954.
  Title: Wannsee Conference
  Passage: The Wannsee Conference (German: "Wannseekonferenz" ) was a meeting of senior government officials of Nazi Germany and "Schutzstaffel" (SS) leaders, held in the Berlin suburb of Wannsee on 20 January 1942.  The purpose of the conference, called by the director of the Reich Main Security Office SS-"Obergruppenführer" Reinhard Heydrich, was to ensure the cooperation of administrative leaders of various government departments in the implementation of the so-called Final solution to the Jewish question, whereby most of the Jews of German-occupied Europe would be deported to Poland and murdered.  Conference attendees included representatives from several government ministries, including state secretaries from the Foreign Office, the justice, interior, and state ministries, and representatives from the SS.  In the course of the meeting, Heydrich outlined how European Jews would be rounded up and sent to extermination camps in the General Government (the occupied part of Poland), where they would be killed.
citations: Fatherland (novel) Wannsee Conference