The participation of Spain in the Junior Eurovision Song Contest first began at the inaugural Junior Eurovision Song Contest in 2003 which took place in Copenhagen, Denmark.
 Televisión Española (TVE), a division of Radiotelevisión Española (RTVE) and member of the European Broadcasting Union (EBU), were responsible for the selection process of their participation.
 Spain used a national selection format, broadcasting a show entitled "Eurojunior", for their participation at the contests.
 The first representative to participate for the nation at the 2003 contest was Sergio with the song "Desde el cielo", which finished in second place out of sixteen participating entries, achieving a score of one hundred and thirty-seven points.
 Spain withdrew from competing in the Junior Eurovision Song Contest in 2007, and have yet to make their return to the contest despite many attempts in recent years.
The participation of the Croatia in the Junior Eurovision Song Contest first began at the inaugural Junior Eurovision Song Contest in 2003 which took place in Copenhagen, Denmark.
 Hrvatska radiotelevizija (HRT), a member organisation of the European Broadcasting Union (EBU), were responsible for the selection process of their participation.
 Croatia originally used a national selection format for their participation at the contests.
 The first representative to participate for the nation at the 2003 contest was Dino Jelusić with the song "Ti si moja prva ljubav" , which finished in first place out of sixteen participating entries, achieving a score of one hundred and thirty-four points.
 Croatia first withdrew from competing in the Junior Eurovision Song Contest in 2007 .
 After seven years of absence, Croatia decided to return to the contest in 2014 which was held in Marsa, Malta and selected their entry internally.
 However after placing last with Josie and the song "Game Over", Croatian broadcaster HRT again withdrew from competing the following year, and have yet to make their return to the contest.
The Junior Eurovision Song Contest 2015 was the thirteenth annual Junior Eurovision Song Contest, and took place, for the first time, in Bulgaria.
 The Bulgarian national broadcaster BNT was the host broadcaster for the event.
 The final took place on 21 November 2015 and was held at the Arena Armeec in Sofia.
 Poli Genova, a Bulgarian singer and former representative of Bulgaria in the Eurovision Song Contest 2011 and the Eurovision Song Contest 2016, hosted the show.
 A total of seventeen countries participated, with Australia and Ireland making their debuts.
 Albania and Macedonia returned after being absent since the 2012 and 2013 contests, respectively.
 Croatia and Cyprus withdrew after returning in the 2014 edition , while Sweden withdrew for the first time since 2008.
The participation of Belarus in the Junior Eurovision Song Contest first began at the inaugural Junior Eurovision Song Contest in 2003 which took place in Copenhagen, Denmark.
 The Belarusian Television and Radio Company (BTRC) a member organisation of the European Broadcasting Union (EBU) have been responsible for the selection process of their participants since their debut.
 The first representative to participate for the nation at the 2003 contest was Volha Satsiuk with the song "Tantsuy", which finished in fourth place out of sixteen participating entries, achieving a score of one hundred and three points.
 Belarus have never missed an edition of the contest, and have won twice in 2005 and 2007 .
 They hosted the contest at the Minsk-Arena in 2010 .
 On 26 August 2016, Belarus will hold their national final in order to select their representative for the Junior Eurovision Song Contest 2016, in Valletta, Malta.
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.
The Eurovision Song Contest 2001 was the 46th edition of the annual Eurovision Song Contest.
 The contest took place in Copenhagen, Denmark, following the Olsen Brothers' win at the 2000 contest in Stockholm, Sweden with the song "Fly on the Wings of Love".
The Eurovision Song Contest 2017 was the 62nd edition of the Eurovision Song Contest.
 It took place in the International Exhibition Centre in Kiev, Ukraine, following Ukraine's victory at the 2016 contest in Stockholm with the song "1944", written and performed by Jamala.
 This was the second time the contest took place in Kiev, after 2005 , as well as the fourth Eurovision event, after the Junior Eurovision Song Contest in 2009 and 2013 .
 The contest consisted of two semi-finals on 9 and 11 May, and a final on 13 May 2017.
 All three live shows were hosted by Oleksandr Skichko, Volodymyr Ostapchuk and Timur Miroshnychenko.
The Junior Eurovision Song Contest 2013 was the 11th annual Junior Eurovision Song Contest.
 It took place in Kiev, Ukraine on 30 November 2013.
 The venue for the contest was announced on 10 April 2013, as the Palace "Ukraine".
 Ukrainian broadcaster National Television Company of Ukraine (NTU) was the host broadcaster for the event.
 It was the second time the contest was held in Kiev, the first being the 2009 contest .
 It was also the second time in the history of the Junior Eurovision Song Contest that the event took place in last year's winning country, as well as the first time that the event was held in the same city twice.
 A total of twelve countries participated, with Macedonia and Malta making a return, and Albania , Belgium and Israel choosing to withdraw.
 San Marino made their debut in the contest.
 Cyprus was originally the thirteenth country to take part but pulled out the last minute.
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.
Jani Juntunen is a Finnish Radio host.
 He is known for his radio broadcasts on Radiomafia and Radio Rock.
 He hosted the Yle TV1 programme "NOW and the list" and was the Finnish commentator at the Eurovision Song Contest between 1999 and 2001.

Question: What nationality was the commentator for the Eurovision Song Contest that took  place in Copenhagen, Denmark?
Answer: Finnish commentator