Question: What is given name of the artist who was selected by Switzerland for the Eurovision Song Contest 2007?
Context: Serbia participated in the Eurovision Song Contest 2015 with the song "Beauty Never Lies", written by Vladimir Graić and Charlie Mason.  The song was performed by Bojana Stamenov.  Serbian broadcaster Radio Television of Serbia (RTS) selected Vladimir Graić, the composer of the Eurovision Song Contest 2007 winning song "Molitva", to compose three candidate songs as potential Serbian entries for the 2015 contest in Vienna, Austria.  Graić was also tasked with selecting the performers of these three entries, opting to selected two established Serbian artists, Bojana Stamenov and Aleksa Jelić, and one undiscovered talent, Danica Krstić, to perform the three entries.  RTS held the national final "Odbrojavanje za Beč" where the song "Ceo svet je moj" performed by Bojana Stamenov emerged as the winner after topping both the votes of a jury panel and a public televote.  The entry was later translated to English as "Beauty Never Lies" with lyrics written by Charlie Mason—the lyricist of Austria's Eurovision Song Contest 2014 winning song "Rise Like a Phoenix". Elitsa & Stoyan (Bulgarian: Елица & Стоян ) are a Bulgarian music duo.  In 2007, Elitsa Todorova and Stoyan Yankoulov were the entry for Bulgaria at the Eurovision Song Contest 2007.  Their 5th place with the song "Water", was the highest Bulgaria had placed until the Eurovision Song Contest 2016.  On March 2013 the duo were selected to represent Bulgaria for a second time at the Eurovision Song Contest 2013, in Malmö, Sweden.  They performed in the second semi-final on 16 May 2013 with the song "Samo Shampioni", but did not qualify for the final. Dansk Melodi Grand Prix 2007 was the selection for the song to represent Denmark at the Eurovision Song Contest 2007.  Two semi-finals and two wildcard selections took place to select the 10 songs that would compete to sing for Denmark at the Eurovision Song Contest 2007 in Helsinki, Finland. Turkey took part in the Eurovision Song Contest 2007 with Kenan Doğulu.  Türkiye Radyo ve Televizyon Kurumu (TRT) chose him in December 2006, as the country's representative for the Eurovision Song Contest 2007, which took place in Helsinki in May 2007. The participation of Bulgaria in the Junior Eurovision Song Contest first began in Rotterdam, Netherlands, at the Junior Eurovision Song Contest 2007.  Bulgarian National Television (BNT), a member organisation of the European Broadcasting Union (EBU), have been responsible for the selection process of their participants, since their debut in 2007.  The first representative to participate for the nation at the 2007 contest was Bon-Bon with the song "Bonbolandiya", which finished in seventh place out of seventeen participating entries, achieving a score of eighty-six points.  There has been four absences from the competition, those being in 2009 , 2010 , 2012 and 2013 .  Bulgaria's most recent return to the contest in 2014 proved to be successful, when Krisia, Hasan & Ibrahim represented them with the song "Planet of the Children", achieving one-hundred and forty-seven points and finishing in second place out of sixteen participating countries, the country's best ever result in a Eurovision competition.  They hosted the contest at Arena Armeec in 2015 .  On 11 June 2016, Lidia Ganeva won the national selection ""Decata na Bulgaria sa super"", earning the right to represent Bulgaria at the Junior Eurovision Song Contest 2016, in Valletta, Malta.  Ganeva performed the internally selected song "Magical Day (Valsheben den)" at the contest.  She received one-hundred and sixty-one points and therefore finished ninth out of seventeen participating countries. The participation of Portugal in the Junior Eurovision Song Contest first began at the Junior Eurovision Song Contest in 2006 which took place in Bucharest, Romania.  Rádio e Televisão de Portugal (RTP), a member of the European Broadcasting Union (EBU), were responsible for the selection process of their participation.  Portugal used a national selection format, broadcasting a show entitled ""Festival da Canção Junior"", for their participation at the contests.  This was a junior version of Festival da Canção, the national music competition organised by broadcaster RTP to choose the Portuguese entry for the Eurovision Song Contest.  The first representative to participate for the nation at the 2006 contest was Pedro Madeira with the song "Deixa-me sentir", which finished in second-last place out of fifteen participating entries, achieving a score of twenty-two points.  Portugal withdrew from competing in the Junior Eurovision Song Contest in 2008, and will return for the Junior Eurovision Song Contest 2017 in Tbilisi, Georgia. Switzerland selected their entry for the Eurovision Song Contest 2007 on February 21, 2007, making the decision to have DJ BoBo represent the country, from a total of over sixty entries.  The song to represent the country in the semi-final was revealed to be "Vampires Are Alive", with Kimia Scarlett providing the female vocals. Marija Šerifović (Serbian: Марија Шерифовић , , born 14 November 1984) is a Serbian singer.  She won the Eurovision Song Contest 2007 with the song "Molitva".  Šerifović is the daughter of Verica Šerifović, also a notable singer.  She was also one of the judges on Eurosong to choose the Irish entry for Eurovision Song Contest 2008 and sang Molitva to close the show.  She was also a member of the International Jury in Melodifestivalen 2009, the selection for the Swedish entry to Eurovision Song Contest 2009. René Baumann (born 5 January 1968), better known as DJ BoBo, is a Swiss singer-songwriter, dancer and music producer.  He has sold 14 million records worldwide and has released 12 studio albums as well as a few compilation albums which have included his previous hits in a reworked format.  DJ BoBo has also released as many as 34 singles to date, some of which have charted high, not only in German speaking countries, but also in other European territories. The use of a Kids' Jury in the Junior Eurovision Song Contest was first introduced at the Junior Eurovision Song Contest 2012, in Amsterdam, Netherlands, as part of a new voting system for the Junior Eurovision Song Contest following discussions between the European Broadcasting Union (EBU), KidsRights Foundation, and the Junior Eurovision Song Contest 2012 host broadcaster Algemene Vereniging Radio Omroep (AVRO).  Three of the four spokespersons who announced the jury points at each annual contest were former winners of the Junior Eurovision Song Contest.  As of 2016, the results of each country's Kids' Jury have been integrated with the adult jury to give out two sets of 1-8, 10, and 12 points per country.
Answer: René Baumann