Question: What country are both Kopparvallen and Conny Torstensson from?

full_context: Document 1: Borås Arena: The Borås Arena is a football stadium in Borås, Sweden. It is the home ground of IF Elfsborg and Norrby IF and was opened in 2005. Borås Arena has an artificial turf pitch, GreenFields MX by GreenFields, and has a capacity of 14,500–17,800 depending on usage. Both clubs presently using the stadium previously had Ryavallen as their home ground. Until recently it was the only stadium in Allsvenskan built in the last 40 years. The arena is located in Knalleland and is very close to the newly built athletics hall Ryahallen.
Document 2: Kopparvallen: Kopparvallen is a multi-use stadium in Åtvidaberg, Sweden. It is used mostly for football matches and is the home stadium of Åtvidabergs FF. The stadium holds 8,000 people and was built in 1907. Famous football players who have played in the arena is Ralf Edström, Roland Sandberg, Conny Torstensson, Zlatan Ibrahimović and Pelé.
Document 3: Estadio Monumental Antonio Vespucio Liberti: Estadio Antonio Vespucio Liberti (] ), also referred to as River Plate Stadium, Monumental de Núñez or simply El Monumental, is a stadium in the Núñez district of Buenos Aires, Argentina, home of the football club River Plate. It was opened on 25 May 1938 and named after former club president Antonio Vespucio Liberti. It is the largest stadium in Argentina with a capacity of 62.000 and also home of the Argentina national football team. It was the main venue in the 1951 Pan American Games and in the 1978 FIFA World Cup which hosted the final between Argentina and the Netherlands. Additionally, it hosted four finals of the Copa América, most recently in 2011 for the 2011 Copa América.
Document 4: Abdi İpekçi Arena: Abdi İpekçi Arena, formerly known as Abdi İpekçi Sports Complex, is a multi-purpose indoor arena located in the Zeytinburnu district of Istanbul, Turkey, situated just outside the ancient city walls in Yedikule. Designed in 1979 and opened in 1986 after several years of interrupted construction, it is named after the renowned Turkish journalist Abdi İpekçi.
Document 5: 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).
Document 6: Football in Munich: Munich is one of the most successful footballing cities in Europe and the World with over 40 trophies, including Germany's victory in the 1974 FIFA World Cup Final.
Document 7: Philips Stadion: The Philips Stadion (] ) is a football stadium in Eindhoven, Netherlands, and it is the home of PSV (Philips Sport Vereniging), also known as PSV Eindhoven. With a capacity of 35,000, it is the third-largest football stadium in the country. Established as the Philips Sportpark, it was constructed as a sports field for Philips employees in 1910. The Philips Elftal played football matches from 1911 until 1913, when the team was succeeded by PSV. Since 1913, PSV has used the original ground as its home stadium.
Document 8: Conny Torstensson: Conny Torstensson (born 28 August 1949) is a former footballer from Sweden. With Sweden he participated at the World Cups 1974 FIFA World Cup and 1978 FIFA World Cup. With Åtvidabergs FF he won national titles. Later he belonged to the side of Bayern Munich which dominated international club football in the mid-1970s.
Document 9: Sven Scheuer: Scheuer joined Bayern Munich in 1988, and spent 11 years with the club, serving as backup goalkeeper to Raimond Aumann until 1994 and later Oliver Kahn. He usually shared this role with another 'keeper, including Uwe Gospodarek (1991–1994), Michael Probst (1994–1996) and Bernd Dreher (1996–1999). He made 20 appearances in the Bundesliga, half of which came in the 1994–95 season, and won five league titles, plus the UEFA Cup in 1996 and the German Cup in 1998. He also played regularly for Bayern's reserve team, in the Oberliga Bayern and Regionalliga Süd.
Document 10: Parken Stadium: Parken Stadium, known for sponsorship reasons as Telia Parken, is a football stadium in the Indre Østerbro ("Inner Østerbro") district of Copenhagen, Denmark, built from 1990–1992. It currently has a capacity of 38,065 for football games, and is the home ground of FC Copenhagen and the Denmark national football team. The capacity for concerts exceeds the capacity for matches – the stadium can hold as many as 50,000 people with an end-stage setup and 55,000 with a center-stage setup.
Document 11: Adidas Copa Mundial: The Copa Mundial (Spanish for "World Cup") football boot was released in 1979. They were designed for the 1982 FIFA World Cup held in Spain. Going through very slight changes since then, the Copa is made in Scheinfeld, near Frankfurt in Germany. It has a kangaroo leather upper. Additional leather supports are provided from the heel, which are intended to improve durability and stability. Since 2001 it has been the world's best-selling football boot. Many superb sportsmen have worn them throughout the years. It has been used by the likes of Zinedine Zidane, Diego Maradona, Franz Beckenbauer, Jari Litmanen.
Document 12: List of Germany international footballers: Since the Germany national football team's first official match in 1908, it has been one of the most successful national teams in world football. They are the current World Champions, having won the 2014 World Cup, their fourth title in seventeen tournaments, to add to three titles from ten European Championships. In doing so, twenty of its players have won both titles, and six have won gold, silver and bronze medals at the World Cup. Lothar Matthäus has played in a record 25 World Cup matches, and his participation in five World Cup tournaments is a joint record, shared with Antonio Carbajal of Mexico. Miroslav Klose is the highest goalscorer in the tournament's history with 16 goals, while Gerd Müller is third with 14 and Franz Beckenbauer is one of only two men to win the World Cup as a player and as a coach.
Document 13: Ullevi: Ullevi, sometimes known as Nya Ullevi (] , "New Ullevi"), is a multi-purpose stadium in Gothenburg, Sweden. It was built for the 1958 FIFA World Cup, but since then has also hosted the World Allround Speed Skating Championships six times; the 1995 World Championships in Athletics and the 2006 European Athletics Championships; the UEFA Cup Winners' Cup finals in 1983 and 1990; the UEFA Euro 1992 final, the UEFA Cup final in 2004; and annually hosted the opening ceremony of the Gothia Cup, the world's largest football tournament in terms of the number of participants. IFK Göteborg has also played two UEFA Cup finals at the stadium, in 1982 and 1987, but then as "home game" in a home and away final. The stadium hosted several events, including football, ice hockey, boxing, racing, athletics and concerts.
Document 14: FC Bayern Munich: Fußball-Club Bayern München e.V., commonly known as FC Bayern München (] ), FCB, Bayern Munich, or FC Bayern, is a German sports club based in Munich, Bavaria (Bayern), Germany. It is best known for its professional football team, which plays in the Bundesliga, the top tier of the German football league system, and is the most successful club in German football history, having won a record 27 national titles and 18 national cups.
Document 15: King Mongkut's Institute of Technology Ladkrabang Stadium: King Mongkut's Institute of Technology Ladkrabang Stadium
ground_truth: Sweden