Question: On which date was this album that contains the song "Unstoppable" released?

Context paragraphs:
Unstoppable (Sia song): "Unstoppable" is a song by Australian singer-songwriter Sia Furler (often referred to mononymously as Sia), taken from her seventh studio album "This Is Acting" (2016).  The song was written by Sia and Christopher Braide, and produced by Jesse Shatkin.  It was released as the album's final promotional single on January 20, 2016.  In July, a new version of the song was made for Gillette's 2016 Olympic ad campaign, "Pretty Isn't Perfect" which features a verse from Pusha T.

This Is Acting: This Is Acting is the seventh studio album by Australian singer and songwriter Sia.  It was released on 29 January 2016 by Inertia, Monkey Puzzle and RCA Records.  The album is mostly composed of songs written by Sia for other pop artists that were not included on their albums.  Sia described songwriting for others as "play-acting," hence the title "This Is Acting".

Simply Unstoppable: "Simply Unstoppable" is a song by British rapper Tinie Tempah, taken from his debut studio album, "Disc-Overy".  The song features uncredited vocals from British singer Vanya Taylor.  On 20 April 2011 the track was released as a promotional single in the form of the YES remix, a remix featuring American drummer Travis Barker and Irish sportswoman Katie Taylor, exclusively for use in a Lucozade advertising campaign.

You Are Unstoppable: "You Are Unstoppable" is a song by Austrian pop singer Conchita Wurst.  The song was released as a single on 20 February 2015 on radio, and was included on her debut studio album released in May 2015.  The song was made available on Amazon.com on 5 March and released as CD single on 6 March.  It also served as the official anthem of the 2015 CONCACAF Gold Cup.

Conchita (album): Conchita is the debut studio album by Austrian pop singer Conchita Wurst.  It was released on 15 May 2015 by Sony Music Entertainment.  The album includes the singles "Heroes", "You Are Unstoppable" and her Eurovision Song Contest 2014 winning song, "Rise Like a Phoenix".

Ring (Miliyah Kato album): Ring is Miliyah Kato's fourth studio album.  It was released on July 8, 2009.  It contains singles, "Sayonara Baby", "20: Cry", and her most successful single to date "Love Forever".  It was released in two editions, a CD Only and a CD+DVD edition which contains a DVD with the music videos of the singles and the first three episodes of the television drama for which "20-CRY-" was the theme song.  The album debuted at #2 on the Oricon Weekly Charts selling 150,000 units in its first week.  This is Miliyah Kato's third album to debut within the top two and is her best selling album to date.

Unstoppable (Lianne La Havas song): "Unstoppable" is a song by British recording artist Lianne La Havas released of her second studio album "Blood" (2015).  The song was released as the album's official lead single, "Unstoppable" was made available to stream on April 1, 2015 and was released for digital download on June 1, 2015.  Written by La Havas and Paul Epworth, with the later handling the song's production "Unstoppable" is a Jazz song that features strings, piano, and an subtle electric guitar, with lyrics that speak about the heights of love.

Celebration (Dareysteel song): "Celebration" is the eighth single by the Spanish hip-hop rapper singer-songwriter Dareysteel.  The song was released as a single on the 1 January 2014 on the album "Unstoppable" by Little Seconds Entertainment Spain.  Before the release of the song, Dareysteel confirmed that 50 percent of the revenue of the album sales will be giving to charity organizations.

Lucky Moon: "Lucky Moon" is a song written by Doug Johnson and Mark Wright and recorded by American country music group The Oak Ridge Boys.  It was released in March 1991 as the first single from the album "Unstoppable".  The song reached No. 6 on the "Billboard" Hot Country Singles & Tracks chart.  It was the group's last Top 10 hit.

Heaven Bound (I'm Ready): "Heaven Bound (I'm Ready)" is a song written by Dennis Linde and originally recorded by the American country music group The Oak Ridge Boys on their 1991 album "Unstoppable".  It was released in August 1995 by American country music group Shenandoah as the third single from the album "In the Vicinity of the Heart".  Their version of the song reached number 24 on the "Billboard" Hot Country Singles & Tracks chart.

Supporting paragraphs: Unstoppable (Sia song) This Is Acting
Answer: 29 January 2016