Question: In which year was this Swiss politician of the Social Democratic Party of Switzerland who won the election at the Swiss Federal Council election, 2010, born?

Context paragraphs:
Alain Berset: Alain Berset (born 9 April 1972) is a Swiss politician of the Social Democratic Party.  Since 1 January 2012, he is a member of the Swiss Federal Council, the seven member Swiss government, and head of the Federal Department of Home Affairs (the Swiss interior minister).  Before being elected to the Federal Council in December 2011, he was a member of the Swiss Council of States for the Canton of Fribourg since 2003, serving as the chamber's president during the 2008/2009 term.

Ruth Dreifuss: Ruth Dreifuss (born 9 January 1940 in St. Gallen) is a Swiss politician affiliated with the Social Democratic Party.  She was a member of the Swiss Federal Council from 1993 to 2002, representing the Canton of Geneva.

Magic formula: In Swiss politics, the magic formula (German: "Zauberformel" , French: "formule magique" , Italian: "formula magica" ) is an arithmetic formula for dividing the seven executive seats of the Swiss Federal Council between the four ruling parties.  The formula was first applied in 1959.  It gave the Free Democratic Party (now FDP.The Liberals), the Christian Democratic People's Party and the Social Democratic Party each two seats, while the Party of Farmers, Traders and Independents (now the Swiss People's Party) received one seat.

Swiss Federal Council election, 2010: Two by-elections to the Swiss Federal Council were held in Switzerland on 22 September 2010, after Federal Councillor Moritz Leuenberger (SP) announced he would leave the Federal Council effective 31 December 2010 and Federal Councillor Hans-Rudolf Merz (FDP.The Liberals) on 6 August 2010 announced his intention to retire effective late October 2010.  Elected were Simonetta Sommaruga and Johann Schneider-Ammann.

Stefano Franscini: Stefano Franscini (23 October 1796 – 19 July 1857) was a Swiss politician and statistician.  He was one of the initial members of the Swiss Federal Council elected in 1848 and Switzerland's first native Italian speaking federal councillor.  Franscini was affiliated to the Liberal Radical Party of Switzerland.  During his office tenure he held the Department of Home Affairs.  Important elements of his political legacy include political reforms in the Ticino during the 1830s and 1840s, Switzerland's first federal population census in 1850, and the creation of the Swiss Federal Institute of Technology in 1854/1855.

Simonetta Sommaruga: Simonetta Sommaruga (born 14 May 1960) is a Swiss politician of the Social Democratic Party of Switzerland who is a current member of the Swiss Federal Council, the federal government of Switzerland, and head of the Federal Department of Justice and Police (the Swiss justice minister).  She served as Vice President of the Swiss Confederation for the year 2014, and in 2015 succeeded to the role of President.

Alphons Egli: Alphons Egli (8 October 1924 – 5 August 2016) was a Swiss politician and member of the Swiss Federal Council (1983–86).  He was elected to the Federal Council of Switzerland on 8 December 1982 and handed over office on 31 December 1986.  He was affiliated to the Christian Democratic People's Party of Switzerland.  During his time in office he held the Federal Department of Home Affairs and was President of the Confederation in 1986.  Egli was a citizen of Entlebuch and Lucerne.

Rudolf Friedrich: Rudolf Friedrich (4 July 1923 – 15 October 2013) was a Swiss politician, lawyer and member of the Swiss Federal Council (1982–1984).  He was elected to the Swiss Federal Council on 8 December 1982 and, for health reason, resigned his office on 20 October 1984.  He is affiliated to the Free Democratic Party.  During his office time he held the Federal Department of Justice and Police.

Felix Calonder: Felix Louis Calonder (December 7, 1863 – June 14, 1952) was a Swiss politician, member of the Swiss Federal Council from 1913 to 1920, and President of the Confederation in 1918.  He was affiliated to the Free Democratic Party.  During his tenure of office, he held the Department of Home Affairs from 1913 to 1917, and the Political Department from 1918 to 1919.  As of 2017, Felix Calonder has been the Federal Council's only native Romansh speaker.

Francis Matthey: Francis Matthey (born 17 July 1942 in Le Locle, Canton of Neuchâtel) is Swiss politician of the Social Democratic Party of Switzerland (SPS/PSS), best known for declining the election to the Swiss Federal Council on 3 March 1993.  Matthey was elected instead of the official candidate of his party, Christiane Brunner.  To follow the resolution of the party to enable the election of woman to the Federal Council, he declined the office.  Ruth Dreifuss was finally elected to succeed René Felber.

Supporting paragraphs: Swiss Federal Council election, 2010 Simonetta Sommaruga
Answer: 1960