Question: Song for Someone is from what 2014 U2 studio album?

Context articles: Songs of Innocence (U2 album)
Save You (Kelly Clarkson song)
Song for Someone
Someone (Kelly Clarkson song)
Try (Colbie Caillat song)
Someone to Call My Lover
Favorite Song
Someone to Love Me (Naked)
Angel of Harlem
Songs of Experience (U2 album)

Songs of Innocence is the thirteenth studio album by Irish rock band U2.
 Released on 9 September 2014, it was produced by Danger Mouse, with additional production from Paul Epworth, Ryan Tedder, Declan Gaffney, and Flood.
 The album was announced at an Apple Inc. product launch event and released the same day to all iTunes Store customers at no cost.
 It was exclusive to iTunes, iTunes Radio, and Beats Music until 13 October 2014, when it received a physical release on Island and Interscope Records.
 The digital release made the record available to over 500 million iTunes customers, for what Apple CEO Tim Cook marketed as "the largest album release of all time".
"Save You" is a song by American recording artist Kelly Clarkson, from her fourth studio album, "All I Ever Wanted" (2009).
 Written by Ryan Tedder and Aimée Proal, and produced by Tedder, "Save You" is a rock ballad that about a someone's desire to save someone from a self-destructive behaviour.
 The song, set in the key of E major features an experimental piano bridge based on Wolfgang Amadeus Mozart's works.
"Song for Someone" is a song by Irish rock band U2.
 It is the fourth track from their thirteenth studio album, "Songs of Innocence", and was released as its third single on 11 May 2015.
 It was produced by Danger Mouse and Ryan Tedder.
 To promote the single, the band performed the song on "Live at the Graham Norton Show".
"Someone" is a song by American singer Kelly Clarkson from her seventh studio album, "Piece by Piece" (2015).
 The song was written by Matthew Koma and produced by Greg Kurstin.
 It is a pulsatic trance track, about a defunct relationship, in which a singer sings of a false apology to a former lover while also wishing him to find someone to love in the future.
 "Someone" was released by RCA Records as the fifth and final promotional single from "Piece by Piece" on February 27, 2015.
 The song received mainly positive views from music critics.
"Try" is a song recorded by American singer-songwriter Colbie Caillat from her fifth studio album, "Gypsy Heart".
 It was released as the lead single on June 9, 2014 via Republic Records.
 The song was written by Caillat, Babyface and Jason Reeves and was produced by Babyface.
 Lyrically, the midtempo ballad is about not trying to be someone else in order to make others happy and it was written after a session where Caillat was feeling pressure to be someone she was not, both musically and image-wise.
 It received acclaim from music critics, who noted it was a simple, but beautiful empowering ballad.
"Someone to Call My Lover" is a song by American singer-songwriter Janet Jackson from her seventh studio album, "All for You" (2001).
 Written and produced by Jackson and Jimmy Jam and Terry Lewis, the song was released as the album's second single on June 26, 2001 by Virgin Records.
 Using a guitar riff from America's "Ventura Highway", and the melody from Erik Satie's "Gymnopedié No. 1", "Someone to Call My Lover" talks about being determined to find a perfect match.
"Favorite Song" is a song by American recording artist Colbie Caillat.
 It was written by Caillat and Ryan Tedder, and produced by Tedder and it features American rapper Common.
 The song was released as the third single from her third studio album "All of You" (2011).
 it was released on May 8, 2012.
 Musically, the song is a guitar-driven pop, hip-hop jam, and the lyrics speak about being in love with someone and desiring that the person feels the same.
 The song is a metaphor for wanting to be the object of someone’s affection.
"Someone to Love Me (Naked)" is a song by American recording artist Mary J. Blige, taken from her tenth studio album "My Life II... The Journey Continues (Act 1)."
 Written by Jerry "Wonder" Duplessis and Leroy Watson, the song is a remix of "Someone to Love Me" from Diddy-Dirty Money's debut album, "Last Train to Paris."
 The song samples "You Roam When You Don’t Get It At Home" performed by The Sweet Inspirations, as well as featuring guest vocals from Diddy and Lil Wayne.
 It was released on March 29, 2011 as the first single from the album.
"Angel of Harlem" is a song by Irish rock band U2.
 It is the tenth track on their 1988 studio album "Rattle and Hum" and was released as its second single in December 1988.
 It peaked at number nine on the UK Singles Chart, number eight on the Dutch Top 40, number 14 on the "Billboard" Hot 100, and number one on the Mainstream Rock Tracks chart.
 Written as a homage to Billie Holiday, it was released with two different B-sides; one was an original U2 song called "A Room at the Heartbreak Hotel," while the other was a live version of "Rattle and Hum"' s "Love Rescue Me".
Songs of Experience is the upcoming fourteenth studio album by Irish rock band U2.
 It will be released on 1 December 2017.
 The album is intended to be a companion piece to U2's previous record, "Songs of Innocence" (2014).
 Whereas its predecessor explored the group members' adolescence in Ireland in the 1970s, "Songs of Experience" thematically will be a collection of letters written by lead vocalist Bono to people and places closest to his heart.
 The personal nature of the lyrics reflects a "brush with mortality" that he had during the album's recording.
 The band collaborated with a variety of producers for the record, including Steve Lillywhite, Ryan Tedder, Jacknife Lee, Jolyon Thomas, and Andy Barlow.