Question: The artist recording Den vita duvanis from what country?

full_context: Document 1: Mikael Strandberg: Mikael Strandberg was born in 1962 in Dala-Järna, Sweden. He started his professional career as an explorer 28 years ago. He is currently working as a lecturer, film maker and a writer. He has produced four documentaries "Patagonia - 3,000 Kilometres by Horse","The Masaai People - 1,000 Kilometres by Foot" , "-58 Degrees – Exploring Siberia on Skies." and "Expedition Yemen - 126 degrees In The Shade."
Document 2: White Horse (Laid Back song): "White Horse" is a 1983 song written by Tim Stahl and John Guldberg of the Danish duo Laid Back. The song was released as the B-side of their single "Sunshine Reggae" which became a major hit in several European countries. In the US, the A-side was mainly ignored and it was the B-side that became most successful. It was released as a single and went on to spend three weeks at number one on the Dance Charts. The single also made the top five on the R&B singles chart and peaked at number 26 on the "Billboard" Hot 100. Although being played in European clubs, it failed to chart there when re-released as an A-side.
Document 3: A White Sport Coat: ``A White Sport Coat (and a Pink Carnation) ''is a 1957 country and western song with words and music both written by Marty Robbins. It was recorded January 25, 1957, and released on the Columbia Records label March 4, 1957. The arranger and recording session conductor was Ray Conniff, an in - house conductor / arranger at Columbia. Robbins had demanded to have Conniff in charge of the song after his earlier hit,`` Singing the Blues'', had been quickly eclipsed on the charts by Guy Mitchell'a cover version scored and conducted by Conniff in October, 1956.
Document 4: Nu tar vi dom: "Nu tar vi dom" (alternate spelling: "Nu tar vi dem"), also known as "VM, nu är det hockeyfeber", is a song used as a fight song for the Swedish national team during the 1989 IIHF World Ice Hockey Championship in Sweden. Lasse Holm wrote both lyrics and music, and the song was recorded by the players themselves, with Håkan Södergren as lead singer. The single peaked at second position on the Swedish singles chart. The B-side was "Här kommer grabbarna" by Lotta Engberg. The song became a Svensktoppen hit for seven weeks between 9 April-21 May 1989, and topped the chart between 16-30 April that year.
Document 5: Bengt Lagerberg: Bengt Lagerberg (born 5 July 1973), is best known as the drummer in the Swedish rock band The Cardigans. He is currently living in Malmö.
Document 6: Mathias Spieler: In the latter half of the 17th century, Marshal of the Realm of Sweden Johan Gabriel Stenbock (1640-1705) brought the Sjööe state in the parish of Holm in Enköping. Together with Mathias Spieler and architect Nicodemus Tessin the Elder (1615-1681), Stenbock built Sjöö Castle on his estate. The construction work lasted from 1669 until 1679 resulting in the shape and form in which it is today. Sjöö Castle Palace with its park is considered one of the most beautiful in Sweden, with its perfect and harmonious proportions.
Document 7: War (The Temptations song): ``War ''is a counterculture - era soul song written by Norman Whitfield and Barrett Strong for the Motown label in 1969. Whitfield first produced the song -- an obvious anti-Vietnam War protest -- with The Temptations as the original vocalists. After Motown began receiving repeated requests to release`` War'' as a single, Whitfield re-recorded the song with Edwin Starr as the vocalist, with the label deciding to withhold the Temptations' version from single release so as not to alienate their more conservative fans. Starr's version of ``War ''was a number - one hit on the Billboard Hot 100 chart in 1970, and is not only the most successful and well - known record of his career, but it is also one of the most popular protest songs ever recorded. It was one of 161 songs on the Clear Channel no - play list after September 11, 2001.
Document 8: The Apple War: The songs in "The Apple War" are composed and written by Evert Taube, who also makes a cameo in the film as the old man who dances with Monica Zetterlund at the end party, and while there also recites a part of one of his most famous songs, "Calle Schewens vals", performed by the cast in the same scene at the end. Winner of three Guldbagge Awards, "The Apple War" is a popular cult film in Sweden, and referred to as a "Hasse & Tage" film due to the creators Tage Danielsson and Hasse Alfredson.
Document 9: Mats Rådberg: Mats Rådberg, born 8 June 1948 in Brännkyrka Parish in Stockholm, Sweden is a Swedish country singer, guitarist, composer and architect scoring several chart successes in Sweden during the 1970s and 80s. He is well known for working together with the country band Rankarna under the name "Mats Rådberg & Rankarna". He also participated at Melodifestivalen 1977 with the song "Du och jag och sommaren", written by Tomas Ledin, which ended up 10th.
Document 10: The Common Linnets: Their song "Calm After the Storm", which is on their self-titled debut album, reached second place in the final of the 2014 Eurovision Song Contest and gave the Netherlands their best result since their last winning entry in 1975. The song became a hit throughout Europe.
Document 11: Den vita duvan: "Den vita duvan" is an anti-war song written by Lasse Holm and Alf Robertson. It was originally recorded by Mats Rådberg on the 1975 album "På egen hand". He also scored a Svensktoppen hit with the song, charting for eleven weeks between 4 May-13 July 1975, topping the chart.
Document 12: Mats Olausson: Mats Johan Olausson (17 April 1961 – 18 February 2015) was a Swedish keyboard player known from bands such as Yngwie Malmsteen, Ark, Evil Masquerade, Kamelot, John Norum, and many others. Recently he lived in Thailand where he was active as a musician, composer and producer. Olausson played Korg Trinity Pro Tri PBS and Yamaha SY-99, SY-77, CS-80. In the studio he also used a grand piano, Hammond B-3 or C-3. He was born in Gothenburg, Sweden.
Document 13: Marie Bergman: Marie Bergman (born November 21, 1950 in Stockholm) is a Swedish singer. Between 1969 and 1972, she was a member in the pop group Family Four, which represented Sweden at the Eurovision Song Contest in 1971 and 1972. She started her solo career in 1974. She has during the years released 13 own-written records and 2 jazz albums and has received numerous awards. In 1994 she again represented Sweden at the Eurovision, this time with Roger Pontare, setting a record as the singer who has represented Sweden at the ESC the most times. This was equalled by Carola Häggkvist in 2006. Marie has performed at the Roskilde Festival four times.
Document 14: Draft Dodger Rag: "Draft Dodger Rag" is a satirical anti-war song by Phil Ochs, a U.S. protest singer from the 1960s known for being a harsh critic of the American military industrial complex. Originally released on his 1965 album, "I Ain't Marching Anymore", "Draft Dodger Rag" quickly became an anthem of the anti-Vietnam War movement.
Document 15: 78 Saab: 78 Saab were a rock band from Australia that consisted of Ben Nash (vocals and guitar), Jake Andrews (guitar and vocals), Garth Tregillgas (bass and vocals) and Nicholai Danko (drums and percussion). The band has stated that it was influenced by acts such as the Rolling Stones, R.E.M. and The Church. After forming in Canberra, Australia, during the summer of 1995-6, they relocated to Sydney in February 1997.
ground_truth: Sweden
sub_queries: What artist was responsible for the creation of Den vita duvan? Answer: Mats Rådberg
What country was Mats Rådberg from? Answer: Sweden