Question: Sparks Fly was a song written before which first published Taylor Swift song?

Context paragraphs:
Sparks Fly (song): "Sparks Fly" is a song written and recorded by American singer-songwriter Taylor Swift for her third studio album "Speak Now" (2010).  Swift wrote the song when she was 16 years old, prior to the release of her debut single "Tim McGraw" in 2006.  Following a 2007 live performance of the song, "Sparks Fly" grew in popularity among Swift's fanbase.  While "Speak Now" was under production, she received requests from fans to include the song on the album.  Produced by Swift and Nathan Chapman, the song was serviced to country radio in the United States by Big Machine Records on July 18, 2011, as the fifth single from "Speak Now".  A CD single was released on Swift's official store for a limited time on August 10, 2011.

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.

Back to December: "Back to December" is a song written and recorded by American singer/songwriter Taylor Swift for her third studio album "Speak Now" (2010).  The song was sent to country radio in the United States on November 15, 2010, as the second single from "Speak Now".  According to Swift, "Back to December" is the first time she ever apologizes to someone in a song.  Critics speculate that the song is about Taylor Lautner, Swift's ex-boyfriend, which was later acknowledged by Lautner.  "Back to December" is considered an orchestral country pop ballad and its lyrics are a remorseful plea for forgiveness for breaking up with a former lover.

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.

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.

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.

Mine (Taylor Swift song): "Mine" is a song written and performed by American singer-songwriter Taylor Swift.  Produced by Swift along with Nathan Chapman, it was released as the lead single from Swift's third studio album, "Speak Now" (2010) by Big Machine Records.  Following an unauthorized internet leak, the song was released on August 4, 2010, two weeks earlier than the intended release date.  Swift was inspired to write "Mine" after reflecting on one of her unnamed crushes and explained that the song is about her tendency to run from love.  The song contains elements of power-pop and its lyrics speak of the ups and downs of a young love.

The Taylor Swift Holiday Collection: The Taylor Swift Holiday Collection, originally titled Sounds of the Season: The Taylor Swift Holiday Collection, is a Christmas EP by American singer Taylor Swift.  The EP was first released on October 14, 2007 by Big Machine Records exclusively to Target stores in the United States and online.  The release was originally a limited release for the 2007 holiday season, but was re-released to iTunes and Amazon.com on December 2, 2008 and again in October 2009 to Target stores.  "The Taylor Swift Holiday Collection" features cover versions of Christmas songs and two original tracks written by Swift, "Christmases When You Were Mine" and "Christmas Must Be Something More", all of which have a country pop sound.

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.

White Horse (Taylor Swift song): "White Horse" is a song performed by American singer-songwriter Taylor Swift.  The song was written by Swift and Liz Rose and produced by Nathan Chapman, with Swift's aid.  The song was released on December 7, 2008 by Big Machine Records, as the second single from Swift's second studio album "Fearless" (2008).  Swift and Rose composed the song about one of Swift's ex-boyfriends, when Swift discovered he was not what she had perceived of him.  It focused on the moment where Swift accepted that the relationship was over.  "White Horse" is, musically, a country song and uses sparse production to emphasize vocals.  Lyrically, the track speaks of disillusionment and pain in a relationship, drawing references to fairytales.

Supporting paragraphs: Sparks Fly (song) Tim McGraw (song)
Answer: Tim McGraw