Question: This song that was released on August 30, 2009, was the fourth single off of the album for what singer who co-produced that album with Nathan Chapman?

full_context: Document 1: Taylor Swift (album): Taylor Swift is the debut studio album by American singer-songwriter Taylor Swift, released on October 24, 2006, by Big Machine Records. Swift was 16 years old at the time of the album's release and wrote its songs during her freshman year of high school. Swift has writing credits on all of the album's songs, including those co-written with Liz Rose. Swift experimented with several producers, ultimately choosing Nathan Chapman, who had produced her demo album. Musically, the album is country music styled, and lyrically it speaks of romantic relationships, a couple of which Swift wrote from observing relationships before being in one. Lyrics also touch on Swift's personal struggles in high school.
Document 2: Fearless Tour: The Fearless Tour was the debut concert tour by American singer-songwriter Taylor Swift. Also referred to as the Fearless Tour 2009 and the Fearless Tour 2010, it was launched in support of her second studio album ""Fearless"" (2008). On the tour, she was joined by guests Kellie Pickler and Gloriana. Teen singer Justin Bieber joined her as an opening act for the tour when she went to England in November 2009. During the tour, Swift performed with guests such as John Mayer, Katy Perry, and Faith Hill. It grossed $63,705,590 from 89 reported shows and an audience of 1,138,977.
Document 3: You Belong with Me: "You Belong with Me" is a song performed by American singer-songwriter Taylor Swift. The song was co-written by Swift and Liz Rose and produced by Nathan Chapman with Swift's aid. It was released on April 18, 2009, by Big Machine Records as the third single from Swift's second studio album, "Fearless" (2008). Swift was inspired to write "You Belong with Me" after overhearing a male friend of hers arguing with his girlfriend through a phone call; she continued to develop a story line afterward. The song contains many pop music elements and its lyrics have Swift desiring an out-of-reach love interest.
Document 4: Fearless (Taylor Swift album): Fearless is the second studio album by the American singer-songwriter Taylor Swift. The album was released on November 11, 2008, by Big Machine Records. As with her first album, "Taylor Swift", Swift wrote or co-wrote all thirteen tracks on "Fearless". Most of the songs were written as the singer promoted her first album as the opening act for numerous country artists. Due to the unavailability of collaborators on the road, eight songs were written by Swift. Other songs were co-written with Liz Rose, Hillary Lindsey, Colbie Caillat, and John Rich. Swift also made her debut as a record producer, co-producing all songs on the album with Nathan Chapman.
Document 5: Picture to Burn: "Picture to Burn" is a song recorded by American singer-songwriter Taylor Swift. It was co-written by Swift and Liz Rose, and produced by Nathan Chapman. It was released on February 3, 2008 by Big Machine Records as the fourth single from Swift's eponymous studio album, "Taylor Swift" (2006). It was inspired by the narcissistic and cocky nature of her former high school classmate and ex-boyfriend Jordan Alford with whom Swift never established a formal relationship. In retrospect, Swift has stated that she has evolved on a personal level and as a songwriter, claiming she processed emotions differently since "Picture to Burn". The song was chosen as a single based on the audience's reaction to it in concert. Musically, the track is of the country rock genre with prominent usage of guitar, banjo, and drums. The lyrics concern setting fire to photographs of a former boyfriend.
Document 6: Our Song (Taylor Swift song): "Our Song" is a country song performed by American singer-songwriter Taylor Swift. The song was written by Swift and produced by Nathan Chapman. It was released on September 9, 2007 by Big Machine Records as the third single from Swift's eponymous debut album, "Taylor Swift" (2006). Swift solely composed "Our Song" for the talent show of her freshman year in high school, about a boyfriend who she did not have a song with. It was included on "Taylor Swift" as she recalled its popularity with her classmates. The uptempo track is musically driven mainly by banjo and lyrically describes a young couple who use the events in their lives in place of a regular song.
Document 7: Fifteen (song): "Fifteen" is a country pop song performed by American singer-songwriter Taylor Swift. Swift self-penned the song and co-produced it along with Nathan Chapman. "Fifteen" was released on August 30, 2009 by Big Machine Records, as the fourth single from Swift's second studio album, "Fearless" (2008). The song was inspired by Swift's freshman year of high school at Hendersonville High School, where she first encountered heartbreak, along with her best friend Abigail Anderson. After writing it, Swift asked Anderson for authorization to record the song (due to personal references in the song); Anderson affirmed and it was ultimately included on "Fearless". "Fifteen" is a ballad, which has Swift reminiscing on events that occurred to her and her best friend at the age of 15 and cautioning teenagers to not fall in love easily.
Document 8: Love Story (Taylor Swift song): "Love Story" is a song performed by American singer-songwriter Taylor Swift. The song was written by Swift and produced by Nathan Chapman, alongside Swift. It was released on September 12, 2008 by Big Machine Records, as the lead single from Swift's second studio album "Fearless" (2008). The song was written about a love interest of Swift's who was not popular among Swift's family and friends. Because of the scenario, Swift related to the plot of William Shakespeare's "Romeo and Juliet" (1597) and used it as a source of inspiration to compose the song. However, she replaced "Romeo and Juliet"' s original tragic conclusion with a happy ending. It is a midtempo song with a dreamy soprano voice, while the melody continually builds. The lyrics are from the perspective of Juliet.
Document 9: List of songs recorded by Taylor Swift: Taylor Swift is an American singer-songwriter. She signed a record deal with Big Machine Records in 2005 and released her eponymous debut album in 2006. Swift wrote three of the album's tracks: "Our Song", "Should've Said No", and "The Outside". The remaining eight were co-written with writers Liz Rose, Robert Ellis Orrall, Brian Maher, and Angelo Petraglia. In 2007, she released her first extended play (EP) "", which contains two original tracks written by her: "Christmases When You Were Mine" and "Christmas Must Be Something More".
Document 10: Tim McGraw (song): "Tim McGraw" is the debut single and first published song recorded by American singer-songwriter Taylor Swift. The song was written by Swift and Liz Rose, and produced by Nathan Chapman. It was released on June 19, 2006 by Big Machine Records as Swift's debut single and the lead single from Swift's eponymous debut album. Swift wrote "Tim McGraw" during her freshman year of high school, knowing that she and her senior boyfriend would break up at the end of the year when he left for college. The song was written about all the different things that would remind the subject of Swift and their time spent together, once he departed. "Tim McGraw" is a musical interconnection of traditional and modern country music. Lyrically, the track lists items in order to associate a past relationship, one of them being country artist Tim McGraw's music.
Document 11: Teardrops on My Guitar: "Teardrops on My Guitar" is a song by American singer-songwriter Taylor Swift. The song was co-written by Swift, alongside Liz Rose and produced by Nathan Chapman with Swift's aid. "Teardrops on My Guitar" was released on February 19, 2007 by Big Machine Records, as the second single from Swift's eponymous debut album (2006). The song was later included on the international release of Swift's second studio album, "Fearless" (2008), and released as the second pop single from the album in the United Kingdom. It was inspired by Swift's experience with Drew Hardwick, a classmate of hers for whom she had feelings. He was completely unaware and continually spoke about his girlfriend to Swift, something she pretended to be endeared by. Years afterwards, Hardwick appeared at Swift's house, but Swift rejected him. Musically, the track is soft and is primarily guided by a gentle acoustic guitar. Critics have queried the song's classification as country music, with those in agreement (such as Grady Smith of "Rolling Stone") citing the themes and narrative style as country-influenced and those opposed (such as Roger Holland of "PopMatters") indicating the pop music production and instrumentation lack traditional country elements.
Document 12: Nathan Chapman (record producer): Nathan Chapman is an American record producer who works in the field of country music. He is known primarily for working with Taylor Swift, having produced her albums "Taylor Swift", "Fearless", "Speak Now", "Red" and "1989". The former was also the first album that he produced. He is a 2001 graduate of Lee University. He was said to be working in a shack before producing music with various artists.
Document 13: Fearless (Taylor Swift song): "Fearless" is a country pop song performed by American singer-songwriter Taylor Swift. The song was co-written by Swift in collaboration with Liz Rose and Hillary Lindsey and produced by Nathan Chapman and Swift. "Fearless" was released on January 3, 2010 by Big Machine Records as the fifth and final single from Swift's second studio album of the same name (2008). Swift composed the song while traveling on tour to promote her eponymous debut album, "Taylor Swift" (2006). She wrote "Fearless" in regard to the fearlessness of falling in love and eventually titled her second studio album after the song. Musically, it contains qualities commonly found in country pop music and, lyrically, is about a perfect first date.
Document 14: Speak Now: Speak Now is the third studio album by American singer-songwriter Taylor Swift. It was released on October 25, 2010, by Big Machine Records. Production for the album took place during 2009 to 2010 at several recording studios, and was handled by Swift and Nathan Chapman. Written entirely by Swift as the follow-up to "Fearless", "Speak Now" expands on the country pop style of her previous work, and features lyrical themes including love, romance and heartbreak.
Document 15: 1989 (Taylor Swift album): 1989 is the fifth studio album by American singer-songwriter Taylor Swift released on October 27, 2014, through Big Machine Records. Swift began composing the album following release of previous studio effort, "Red" (2012). Over the course of the two-year songwriting period, she collaborated with producers Max Martin and Shellback—Martin served as the album's executive producer alongside Swift. The album's title was named after the singer's birth year and inspired by the pop music of the 1980s.
ground_truth: Taylor Swift