Question: Jens Wahl, is a German former footballer, and won one cap for East Germany, the East Germany national football team was from 1952 to which year, the football team of East Germany?

Context paragraphs:
East Germany national football team: The East Germany national football team was from 1952 to 1990 the football team of East Germany, playing as one of three post-war German teams, along with Saarland and West Germany.

Bodo Rudwaleit: Bodo Rudwaleit (born 3 August 1957 in Woltersdorf (bei Berlin)) is a former German former football goalkeeper who played in East Germany.  He played during most of his career for the football club Berliner FC Dynamo where he was East German champion ten times in a row from 1979 to 1988.  He was also the goalkeeper of the East Germany national squad for over a decade before the collapse of the country between 1989 and 1990.  He played for East Germany at the 1980 Summer Olympics.

Ronny Teuber: Ronny Teuber (born 1 September 1965) is a German former footballer and former member of the East Germany national football team as well as the East Germany national under-21 football team.  He currently works as a goalkeeping coach for Bundesliga side Hamburger SV.

List of Dynamo Dresden players: As one of the leading clubs in East Germany, Dynamo Dresden provided 36 East German internationals, including the country's second most-capped player, Hans-Jürgen Dörner, and its joint second top scorer, Hans-Jürgen Kreische.  Kreische and Siegmar Wätzlich were in East Germany's squad for their only World Cup appearance (1974), while twelve Dynamo players won Olympic medals, including six gold medallists in 1976.  After German reunification a number of Dynamo players went on to represent the Germany national team, including Jens Jeremies, Ulf Kirsten, Olaf Marschall and Alexander Zickler.  Dynamo have also seen internationals from other nations, including Australia (Joshua Kennedy and Mark Schwarzer), the Czech Republic (Ivo Ulich and Tomas Votava), Slovenia (Klemen Lavrič and Miran Pavlin) and Sweden (Johnny Ekström).

Werner Lihsa: Werner Lihsa (born 3 June 1943) is a former East Germany international goalkeeper.  He played for Berliner FC Dynamo and 1.  FC Union Berlin as well as the East Germany national football team.

Jens Wahl: Jens Wahl (born July 24, 1966) is a German former footballer.  Wahl began his career with FC Hansa Rostock in the DDR-Oberliga, and won one cap for East Germany.  After reunification, Hansa won the final, transitional East German championship, and the cup, with Wahl scoring the winner in the final.  He later played for Chemnitzer FC, FC St. Gallen and Dynamo Dresden.

Frank Uhlig: Frank Uhlig (born 8 December 1955) is a German former footballer.  Uhlig spent his entire senior career with FC Karl-Marx-Stadt in the DDR-Oberliga, and won one cap for East Germany.  He was part of the squad that won the silver medal at the 1980 Summer Olympics.

East Germany national football team results: The East Germany national football team represented the former state of East Germany from 1952 until the German reunification in 1990.  The team was governed by the Deutscher Fußball-Verband, and was a part of the UEFA confederation.

Erich Hamann: Erich Hamann (born 27 November 1944 in Pasewalk, Mecklenburg-Vorpommern) is a former footballer from East Germany, who played for the club FC Vorwärts Frankfurt/Oder.  He earned 3 caps for the East Germany national football team, and played in the 1974 FIFA World Cup, including the historic match against West Germany, where he provided the pass to Jürgen Sparwasser, who scored the only goal in the 1-0 win.

East Germany national under-21 football team: The East Germany national football team was the national football team of the German Democratic Republic.  Following the realignment of UEFA's youth competitions in 1976, East Germany's Under-21 team was formed.  The team played until 1990, until East Germany ceased to be a separate country after the reunification of Germany.

Supporting paragraphs: Jens Wahl East Germany national football team
Answer: 1990