Question: In which year did Reima Karppinen win a championship medal in Germany?

Context paragraphs:
Reima Karppinen: Reima Juhani Karppinen (born 27 January 1958) is a retired Finnish rower who specialized in the double sculls.  In this event, he won a silver medal at the 1981 World Rowing Championships, together with his legendary brother Pertti.  He competed at the 1984, 1988 and 1992 Summer Olympics, with other partners, and finished in 8th, 12th and 13th place, respectively.

David Farrell (Gaelic footballer): David Farrell was Gaelic footballer from Camp, County Kerry.  He played with Kerry during the late 1980s and 1990s.  He won an All Ireland Minor medal in 1988 and two year later added a Under 21 All Ireland medal to that.  He won a Munster Senior Championship medal in 1991 also.  He played his club football with Annascaul with whom he won a County Intermediate Championship in 1992 and helped the club to the County Senior Football Championship final in 1993 when Annascaul lost out to Laune Rangers, he did however with a County Championship with West Kerry in 1990.

Susanthika Jayasinghe: Deshabandu Susanthika Jayasinghe (Sinhalese: සුසන්තිකා ජයසිංහ ; Tamil: சுசந்திகா ஜயசிங்ஹ) (born December 17, 1975) is a Sri Lankan sprint athlete specializing in the 100 and 200 metres.  She won the Olympic silver medal for the 200m event in the 2000 Summer Olympics in Sydney, the second Sri Lankan to win an Olympic medal and the first and only Asian to win an Olympic or world championship medal in a sprint event.  She also won two gold medals at the 2007 Asian Athletics Championships and a bronze medal at the 2007 IAAF World Championships.  She is known as the Asian Black Mare.

Brian Farrell (Gaelic footballer): Brian Farrell is a Gaelic footballer from Nobber, County Meath, Ireland.  He plays with the Meath county team and his local club Nobber.  He first came to national attention when he was part of the Meath team that made it to the 2002 All-Ireland Minor Football Championship final but lost out to Derry having already been beaten by Longford in the Leinster Championship final.  The following year, he was part of the Meath side that won the Leinster and All-Ireland Junior Football Championships.  At club level, he has won County and Leinster Junior medals in 2002 and an All-Ireland Junior Club Football Championship medal in 2003.  In 2010, Farrell won a Meath Intermediate Football Championship medal.

1981 World Rowing Championships: The 1981 World Rowing Championships were World Rowing Championships that were held from 30 August to 6 September 1981 at Oberschleißheim outside Munich, Germany.

David Curtin: David Curtin (born 13 September 1980) is an inter-county hurling player who plays for Dublin.  He plays his club hurling for Dublin side Ballyboden St. Enda's.  In 2005, he will be remembered for his astounding performance against Laois which confirmed Dublins All-Ireland status for the 2006 championship.  Curtin finished the game with an impressive scoreline of 1-7.  In the 2006 All-Ireland championship, this feat was repeated when Dublin swept aside Westmeath to once retain their Liam McCarthy Cup status.  He finished the 2006 championship with a scoreline of 0-33, a scoreline which left him 5th of the top scorer list despite Dublins lack of progress in the All-Ireland championship.  Curtin was the Dublin hurling captain for 2005.  David was named on the 2006 Dublin Bus/Evening Herald Blue Star hurling XV at Centre Forward.  Curtin won his first Dublin Senior Hurling Championship medal with his club Ballyboden St Endas in October 2007.  Since then Boden have won 4 titles in a row.  The 2007 Dublin championship win qualified Ballyboden to play in their first ever Leinster Senior Club Hurling Championship game against Oulart the Ballagh GAA of Wexford.  Boden won the game by 1-17 to 0-15 with Curtin scoring a total of 0-04.

Petra Olli: Petra Olli (born June 5, 1994) is a freestyle wrestler from Finland.  She won the silver medal at the 2015 World Wrestling Championships in the Women's freestyle 58 kg-event.  She is the first female Finnish wrestler to win a World Championship medal.  In March 2016 Olli won her first European Championship gold metal at adult level in Riga beating Oksana Herhel.

Mark Davoren: Mark Davoren is an Irish Gaelic footballer for Dublin and Kilmacud Crokes.  He made his debut for Dublin against Kerry in the National Football League (Ireland) in 2009 scoring a total of 1-03 in the game which finished as a draw in Parnell Park.  He won an All-Ireland Senior Club Football Championship medal with Kilmacud Crokes on St Patricks Day 2009 in Croke Park against Crosmaglen Rangers.  He scored a goal in the game.  Davoren won a Leinster Senior Club Football Championship medal with Crokes against Rhode of Offalyin 2008 at Parnell Park, he scored 1-00 in the final.  He won the Dublin Senior Football Championship in 2008 by beating St Oliver Plunketts/Eoghan Ruadh in Parnell Park scoring a goal in the process.  He won an AFL Dublin Division One title with Kilmacud Crokes in 2008, although he did not make an appearance in the league final.

Sean Carey (Gaelic footballer): Seán Carey (born 15 November 1989) is a Gaelic footballer and hurler from County Tipperary.  He plays with the Moyle Rovers Club and the Tipperary intercounty team.  In 2010 he helped Tipperary win the Munster Under-21 Football Championship.  In 2007 he won Munster Minor Hurling Championship & All-Ireland Minor Hurling Championship medals.  He won Tipperary Senior Football Championship medal in 2009 with Moyle Rovers.

Paul McDonald (Gaelic footballer): Paul McDonald is a Laois footballer who won an All-Ireland Minor Football Championship medal in 1997 and a Leinster Senior Football Championship medal in 2003.

Supporting paragraphs: Reima Karppinen 1981 World Rowing Championships
Answer: 1981