Question: Which part of Germany which became part of the Soviet sector in 1945 has a theatre company which was established by playwright Bertolt Brecht and his wife Helene Weigel in 1949?
Sentence (from "East Berlin"): Восточный Берлин - "Vostochniy Berlin") existed from 1949 to 1990 and consisted of the Soviet sector of Berlin established in 1945.
Relevant evidence: No