Question: Papa Dee's most commercially successful track is his version of a Cat Stevens song released in which year ?

full_context: Document 1: Sven Väth: Sven Väth (born 26 October 1964) is a German DJ/producer and three time DJ Awards winner whose career in electronic music spans well over 30 years. His single, “Electrica Salsa” under the alias OFF launched his career in 1986. Lovingly referred to as “Papa Sven” by his fans, Sven Väth has made his mark in the music community by being one of Germany’s “pop stars” in the nineties, running two famous night clubs in Germany, and starting his own company Cocoon, which encompasses a booking agency, record label, and a branch for events. He is recognized for cultivating the underground electronic music scene not just in Germany but in Ibiza as well, with his own night at Amnesia for fourteen years and after-parties at creative locations around the island. Sven Väth is a major proponent of vinyl, using only two decks and a mixer for his extensive DJ sets, his longest set having been 30 hours.
Document 2: Carl Johan Grimmark: Carl Johan Grimmark is a Christian guitarist born in Gothenburg, Sweden October 14, 1977. He has appeared with several influential Christian metal bands including Narnia, Saviour Machine, and Rob Rock. He recently joined the band Beautiful Sin in 2006. He also has been a special guest guitarist on fellow Narnia bandmate Christian Liljegren's side projects Divinefire and Audiovision. He recently recorded his debut solo album that is set to be titled "Grimmark", where he also handles the lead vocals. Grimmark's style of playing, especially on Narnia's earlier work, is often compared to the neo-classical metal stylings of Yngwie Malmsteen , or under a more broad genre, neo-classicism.
Document 3: Deep Cuts, Volume 1 (1973–1976): Deep Cuts, Volume 1 (1973–1976) is a compilation of Queen tracks between 1973 and 1976. Unlike other compilations released by Queen, "Deep Cuts" contains songs which are largely not as well known as Queen's hits. The album was released on 14 March 2011 as part of Queen's 40th anniversary. "Deep Cuts Volume 1" was released at the same time Queen's first five albums ("Queen", "Queen II", "Sheer Heart Attack", "A Night at the Opera", and "A Day at the Races") were re-released. The songs picked were all personal favourite songs, that were not hits, selected by Brian May, Roger Taylor, and Taylor Hawkins (the drummer for the Foo Fighters). It is the only release to feature the complete ending of "The March of The Black Queen" (on "Queen II" it segues to "Funny How Love Is") and of "Ogre Battle" (on "Queen II" it segues to "The Fairy Feller's Master-Stroke"). The three songs "Tenement Funster", "Flick of the Wrist" and "Lily of the Valley" all segue into each other just as on the original "Sheer Heart Attack" album.
Document 4: Mr Probz: Dennis Princewell Stehr (born 15 May 1984), better known by his stage name Mr Probz, is a Dutch singer, musician and actor. In 2013, he released the song "Waves", which was remixed in 2014 by Robin Schulz, becoming an international hit. He has released one album and featured in the film Bolletjes Blues.
Document 5: I Am a Rock: "I Am a Rock" is a song written by Paul Simon. It was first performed by Simon alone as the opening track on his album "The Paul Simon Songbook" which he originally recorded and released in August 1965, only in the United Kingdom. Paul Simon and Art Garfunkel, as the American folk rock duo Simon and Garfunkel, re-recorded it on December 14, 1965, and included as the final track on their album "Sounds of Silence", which they released on January 17, 1966.
Document 6: Dave Gahan: David "Dave" Gahan ( ; born David Callcott; 9 May 1962) is an English singer-songwriter, best known as the baritone lead singer of the electronic band Depeche Mode since their debut in 1980. He is also an accomplished solo artist, releasing albums in 2003 ("Paper Monsters") and 2007 ("Hourglass").
Document 7: Soul Supreme: Soul Supreme (real name David Åström), born 1983, is a hip hop producer from Sweden. He has worked with the likes of KRS-One, Pete Rock and Big Daddy Kane. In 2003 he released his debut and self-produced album “The Saturday Night Agenda” under the name Soul Supreme on the Boston based label Grit Records. The album featured KRS-One, Big Daddy Kane, Pete Rock, O.C. and many more. Later the same year he produced the entire mixtape "Soulmatic", a remixed version of Nas classic album "Stillmatic", which was released through hiphopsite.com. In 2004 he continued with another remix mixtape; Soul & Sense containing remixes on early Common material when Common still called himself Common Sense. This was in 2005 released on Nocturne as a CD entitled “Uncommonly Nasty: Remixed By Soul Supreme & Statik Selektah”. In 2006 he made URB Magazine’s list of the next 100 producers His production borrows heavily from, often pitched-up, soul samples; hence the name. He is signed to JuJu Publishing. Soul Supreme also makes more electro themed music (his own name of this style is rapclash) under the name Kocky. In 2007, Soul Supreme released an electro-house album called "Kingdome Come" under his alias Kocky. The album was released by La Vida Locash and features guest appearances by Timbuktu, Chords, Mapei, and Jens Lekman.
Document 8: First Take (album): First Take is the debut album by the jazz/soul/R&B singer Roberta Flack. It was released in 1969 on Atlantic Records. After a track from this album, "The First Time Ever I Saw Your Face" was included by Clint Eastwood in his 1971 film "Play Misty for Me" with the song becoming a #1 hit in the United States, this album became #1 on the U.S. album chart.
Document 9: Tea for the Tillerman: Tea for the Tillerman is the fourth studio album by the singer-songwriter Cat Stevens. This album, Stevens' second during 1970, includes many of Stevens' best-known songs including "Where Do the Children Play?", "Hard Headed Woman", "Wild World", "Sad Lisa", "Into White", and "Father and Son". Four of the tracks ("Where Do the Children Play?", "On the Road to Find Out", "Tea for the Tillerman", and "Miles from Nowhere") were featured in the Hal Ashby and Colin Higgins's black comedy film "Harold and Maude", in 1971. The track "But I Might Die Tonight" was featured in the film "Deep End" directed by Jerzy Skolimowski in 1970. Stevens, a former art student, created the artwork featured on the record's cover. "Tea for the Tillerman" was also used over the end credits for the BBC TV show "Extras". "Miles From Nowhere" also appeared in the "A-Team" episode, "Alive at Five" while Templeton Peck is running away.
Document 10: The First Cut Is the Deepest: "The First Cut Is the Deepest" is a 1967 song written by Cat Stevens, originally released by P. P. Arnold in May 1967. Stevens' own version originally appeared on his album "New Masters" in December 1967.
Document 11: Cuts You Up: "Cuts You Up" is a song by English musician Peter Murphy, from his third solo studio album, "Deep" (1989). It was released as a single in 1990 through Beggars Banquet Records. The song became Murphy's most successful release, topping at Billboard Modern Rock Tracks chart, as well as charting on Billboard Hot 100 and "Billboard" Mainstream Rock Tracks charts.
Document 12: I Love My Dog: "I Love My Dog" is a song written by Cat Stevens, and was his first single (b/w "Portobello Road"), appearing the following year on his debut album "Matthew and Son". Stevens later acknowledged that he had essentially written the lyrics to the music of American jazz multi-instrumentalist Yusef Lateef's "The Plum Blossom", from his 1961 "Eastern Sounds". Yusuf indicated that he "told Yusef Lateef about it, gave him a big cheque, and in fact, started paying him royalties." The song is now released with credits that include Yusef Lateef.
Document 13: Daniel Gildenlöw: Daniel Gildenlöw (born in Eskilstuna, 5 June 1973) is a Swedish musician and songwriter. He is best known as a multi-instrumentalist and vocalist for the progressive rock band Pain of Salvation. In the band, he is the main songwriter, lead singer, lead guitar player, and the mastermind behind each album's concept. He was also an official member of the band The Flower Kings but was forced to leave before their 2005 US tour because he was opposed to USA's US-VISIT which requires submitting one's own biometric data first before entering the country.
Document 14: Papa Dee: David Christopher Daniel Wahlgren (born 13 July 1966), better known by the stage name Papa Dee, is a Swedish rap, ragga and dancehall musician. His most commercially successful track is his version of the Cat Stevens song "The First Cut Is the Deepest".
Document 15: Greatest Hits (Cat Stevens album): Greatest Hits is a compilation album by Cat Stevens, released in 1975. Though made up mostly of tracks from his five previous studio albums, "Cat Stevens' Greatest Hits" did contain one new song, "Two Fine People", which was also released as a single in 1975, and the previous non-album single, "Another Saturday Night". Both singles charted respectively at #33 and #6 on the US Pop Charts.
ground_truth: 1967