Question: The rock band Prevail gained popularity after posting a cover of a Taylor Swift song from what album? 
Context: I Prevail is an American rock band formed in Southfield, Michigan established in 2013.  They released their debut EP "Heart Vs. Mind" on January 26, 2015.  They gained popularity after posting a cover of Taylor Swift's "Blank Space" to YouTube on December 1st 2014.  The cover was also featured on Fearless Records' "Punk Goes Pop Vol.  6" as a bonus track.  The band released their debut album on October 21, 2016 titled Lifelines. "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. "Blank Space" is a song by American singer-songwriter Taylor Swift from her fifth studio album "1989" (2014).  It was written by Swift, Max Martin and Shellback.  The song was released to the radio by Republic Records on November 10, 2014 as the album's second single, after "Shake It Off" and is the second track on the album.  Musically, "Blank Space" is an electropop song with lyrics that satirize the media's perception of Swift and her relationships. "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. "Taylor Swift and Def Leppard" is an episode of the CMT television show "CMT Crossroads".  The episode features performances by American singer-songwriter Taylor Swift and English hard rock band Def Leppard. "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. "Two Is Better Than One" is a song by the American rock band Boys Like Girls from their second studio album "Love Drunk" (2009) and this song features American singer Taylor Swift.  It was written by Martin Johnson and Swift and the song is the band's second official single from the album.  On some advanced copies of the album sent to reviewers and members of the press, the song does not feature Swift, rather, Johnson handles all vocals. "You're Not Sorry" is a country rock song performed by American singer-songwriter Taylor Swift.  The song was solely written by Swift and produced by Nathan Chapman with Swift's aid.  It was released on October 28, 2008 by Big Machine Records as a promotional single from Swift's second studio album, "Fearless" on iTunes, though it is no longer available.  A remix version for the television episode of "" in which Swift made an appearance was later released.  Swift wrote "You're Not Sorry", inspired by an ex-boyfriend who was revealed to be opposite of what he appeared to be.  The song is a power ballad with country and rock music influences. Sophia Grace Brownlee (born 18 April 2003) and her cousin Rosie McClelland (born 7 September 2006), both from Essex, England, make up the duo Sophia Grace & Rosie.  They quickly gained popularity, by making regular appearances on "The Ellen DeGeneres Show", after posting a cover version of the Nicki Minaj song "Super Bass" that went viral on YouTube.  The video was originally posted on YouTube on 19 September 2011 and has gained more than 52 million views as of June 2017.  Sophia Grace debuted music videos on her official YouTube Channel like her Billboard Hot 100 charting single "Best Friends" and "Girls Just Gotta Have Fun", which as of June 2016 has more than 118 million views.  After signing a recording deal with Capitol Records France, she has released her third single "Girl In The Mirror" on iTunes on 9 June 2016 featuring Silentó and an accompanying music video to it.  Rosie has started a YouTube channel featuring her life and sang a cover of Little Mix's "Touch". "State of Grace" is a song by American singer-songwriter Taylor Swift from her fourth studio album "Red" (2012).  It was released to the iTunes Store on October 16, 2012, in the United States by Big Machine Records as the fourth and final promotional single from the album.  It was the only promotional single from the album that was not re-issued as an official single, as "Begin Again", "Red", and "I Knew You Were Trouble", were all later re-issued as official singles.  The song was written by Swift and produced by Nathan Chapman and Swift.  Musically, the song is a departure from Swift's typical country pop, using influences of alternative rock while being compared to bands such as U2, Muse and The Cranberries.  The song has received immense praise from music critics, who have complimented its broader sound in comparison with Swift's previous material.
Answer: "1989"