Question: Who was the producer of Teardrops on My Guitar, a song of Taylor Swift's eponymous debut album (2006)?

full_context: Document 1: 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 2: 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 3: Kelly Clarkson videography: American singer Kelly Clarkson has released two video albums and has appeared in thirty-seven music videos. In 2002, she made her debut music video appearance for the video "Before Your Love", which was immediately released after winning the premiere season of the television series competition "American Idol". A accompanying video for "Before Your Love"'s companion single "A Moment Like This" was also issued later that year. From her debut album "Thankful" (2003), Clarkson released music videos for the singles "Miss Independent", "Low", and "The Trouble with Love Is", the foremost of which earned her three MTV Video Music Award nominations, including Best New Artist in a Video. "Thankful" was immediately followed by the release of Clarkson's debut video album "Miss Independent" that same year. In 2004, a music video for her single "Breakaway" was released to promote the Disney feature film "". Clarkson's sophomore studio album "Breakaway" (2004) issued accompanying music videos for its singles "Since U Been Gone", "Behind These Hazel Eyes", "Because of You", "Walk Away", and an additional live video for "Breakaway". The videos for "Since U Been Gone" and "Because of You" earned a total of three MTV Video Music Awards and a MuchMusic Video Award. Clarkson's second video album "Behind Hazel Eyes" was released in 2005 as a companion piece to "Breakaway".
Document 4: Taylor Swift: Taylor Alison Swift (born December 13, 1989) is an American singer-songwriter. One of the leading contemporary recording artists, she is known for narrative songs about her personal life, which have received widespread media coverage.
Document 5: Lady Gaga videography: American singer Lady Gaga has released three video albums and has been featured in twenty-eight music videos. From her debut album "The Fame" (2008), she released music videos for the singles "Just Dance", "Poker Face", "LoveGame" and "Paparazzi". In the latter, she portrays a doomed starlet taking revenge on her lover. She reissued her first album as "The Fame Monster" (2009), preceded by a music video for the lead single "Bad Romance", which won a Grammy Award for Best Music Video and seven MTV Video Music Awards, including Video of the Year in 2010. The following year, Jonas Åkerlund directed the music video for "Telephone"—a continuation of "Paparazzi"—which was shot as a short film. The video received an MTV Video Music Award for Video of the Year nomination, and was named the Best Music Video of the Decade by "Billboard" in January 2015. For her 2010 video "Alejandro", Gaga received positive review from critics, though she was criticized by the Catholic League that alleged blasphemy.
Document 6: 2015 MTV Video Music Awards: The 2015 MTV Video Music Awards were held on August 30, 2015. The 32nd installment of the event was held at the Microsoft Theater in Los Angeles, California, and hosted by Miley Cyrus. Taylor Swift led the nominations with a total of ten, followed by Ed Sheeran, who had six., bringing his total number of mentions to 13. Swift's "Wildest Dreams" music video premiered during the pre-show. Cyrus also announced and released her studio album "Miley Cyrus & Her Dead Petz", right after her performance at the end of the show. During his acceptance speech, Kanye West announced that he would be running for the 2020 U.S. Presidential Election. Taylor Swift won the most awards with four, including Video of the Year and Best Female Video. The VMA trophies were redesigned by Jeremy Scott.
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: List of MYX Number-One Music Videos 2014: MYX is the only music channel in the Philippines that shows different music videos, domestically and internationally. Every week, its MYX Hit Chart presents the Top 20 favorite music videos voted by People's choice. In 2014, Taylor Swift's Shake It Off spent the longest week for any music video with a total of 10 weeks and later became the chart's year-end special Top 1. The year is also lucky for Western boy bands such as One Direction, 5 Seconds of Summer and The Vamps as their released music videos were all chart-toppers. Philippine Acts including Sarah Geronimo, Gloc-9, Kyla, and more also dominated the chart with most weeks.
Document 9: Liz Rose: Liz Rose (born in Dallas, Texas) is an American country music songwriter best known for her work with Taylor Swift. She has co-written twenty of Swift's officially-released songs and singles, including "White Horse," "Teardrops on My Guitar," and "You Belong with Me," which won her and Swift a Grammy Award in 2010.
Document 10: 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 11: Taylor Swift discography: American singer-songwriter Taylor Swift's career began with a record deal with Big Machine Records in 2005 and the release of her eponymous debut album the following year. In the United States, "Taylor Swift" peaked at number five on the "Billboard" 200 and stayed the longest on the chart during the 2000s. All of its singles—"Tim McGraw", "Teardrops on My Guitar", "Our Song", "Picture to Burn", and "Should've Said No"—charted within the top forty in the United States and were certified platinum by the RIAA. Swift followed with the release of the EPs "" and "Beautiful Eyes", which peaked at number twenty and number nine on the "Billboard" 200, respectively.
Document 12: 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 13: 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 14: 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 15: Taylor Swift videography: American singer-songwriter Taylor Swift has released four video albums and has appeared in thirty-eight music videos, five films and three television shows. From her eponymous debut album (2006), she released music videos for the singles "Tim McGraw", "Teardrops on My Guitar", "Our Song", and "Picture to Burn", all directed by Trey Fanjoy and released from 2006–08. For the second of these, she earned an MTV Video Music Award for Best New Artist nomination. She followed with three other music videos in 2008—"Beautiful Eyes" from her extended play of the same name, "Change" from the "AT&T Team USA Soundtrack" and "Love Story" from her second album "Fearless" (2008). The latter was nominated for two awards at the 2009 CMT Music Awards—Video of the Year and Female Video of the Year. For the video of "You Belong with Me" she won Best Female Video at the 2009 MTV Video Music Awards. During her acceptance speech, she was interrupted by rapper Kanye West, which sparked controversy and received much media attention.
ground_truth: Nathan Chapman