Question: When was the second promotional single from the album that contained "State of Grace" released?

Context paragraphs:
Walking on Air (Katy Perry song): "Walking on Air" is a song recorded by American singer Katy Perry for her fourth studio album, "Prism" (2013), included as its fourth track.  It was released to digital retailers on September 30, 2013, by Capitol Records, as the record's second promotional single, following the release of "Dark Horse".  The song was part of a poll promoted by Pepsi, along with "Dark Horse", where fans could vote for which song they wanted to become the first promotional single from "Prism".  Inspired by CeCe Peniston and Crystal Waters, "Walking on Air" is a deep house song influenced by 1990s Eurodance.

Red (Taylor Swift song): "Red" is a song recorded by American singer-songwriter Taylor Swift for her fourth studio album of the same name (2012).  It was released on October 2, 2012, in the US by Big Machine Records as the second promotional single from "Red" in 2012 and serves as the album's fifth single on June 21, 2013.  It was part of the tracks released during the four weeks preceding the release of the album.  Musically, "Red" is a country song, and its lyrics uses colors and metaphors to describe an intense and tumultuous relationship.

Reapers (song): "Reapers" is a song by English rock band Muse.  It was released as the second promotional single from the band's seventh studio album "Drones", and was given a 7" single release, as part of Record Store Day 2016, on 16 April 2016 as the fifth and final single from Drones.  It peaked at number 75 on the French Singles Chart, 71 on the Swiss Hitparade singles chart, 37 on "Billboard"' s Hot Rock Songs, and became Muse's highest-charting single on "Billboard"' s Mainstream Rock Songs at number 2.

One Last Time (Ariana Grande song): "One Last Time" is a song recorded by American singer Ariana Grande for her second studio album "My Everything".  It was written by David Guetta, Savan Kotecha, Giorgio Tuinfort, Rami Yacoub, and Carl Falk.  The song was produced by the latter two, with Tuinfort serving as a co-producer and Ilya serving both as a co-producer and vocal producer.  "One Last Time" was first released on the iTunes Store on August 22, 2014 as the second promotional single from the album.  On February 10, 2015, the song was sent to contemporary hit radio as the fifth and final single from the album.  A French version of the song featuring French singer Kendji Girac, alternatively titled "Attends-moi", was released on February 16, 2015 in France, Belgium and Switzerland.  It is also included on the deluxe version of Girac's debut studio album "Kendji" (2015).  An Italian version of the song featuring Italian rapper Fedez was released on May 26, 2015 only in Italy.

Irresistible (Fall Out Boy song): "Irresistible" is a song written and recorded by the American rock band Fall Out Boy from their sixth studio album, "American Beauty/American Psycho" (2015).  Initially released as the second promotional single from the album on January 5, 2015, it debuted at No. 77 in the US and No. 70 in the UK.  In February 2015, it was released as the band's third UK single, and a music video was released on February 19.

Rebellion (song): "Rebellion" is a song by American rock band Linkin Park.  The song was originally recorded by the band for their sixth studio album, "The Hunting Party", where it appears as the eighth track on the album.  The song features Armenian-American multi-instrumentalist Daron Malakian from rock band System of a Down, who plays additional guitar on the track.  The track was released as second promotional single from "The Hunting Party" on June 4, 2014 and was later released as the fourth official single from the album on October 13, 2014, and was included on American rock radio.

SpeXial (album): SpeXial is Taiwanese Mandopop boyband SpeXial's debut Mandarin studio album produced by Jeremy Ji, a famous Taiwanese Mandopop songwriter.  It was released on December 7, 2012.  The first promotional single is a lyric song "Celebrate Loneliness" (慶祝寂寞).  "Gone Mad" (發飆) - SpeXial version, the theme song of Idol Drama "KO one 2", is the second promotional single.  The third promotional single is an electronic dance song "Super Style", which is also the theme song of Idol Drama "KO One Re-act".  This album was funded by “2012 Funding the Production and Marketing of Outstanding Popular Music” of Bureau of Audiovisual and Music Industry Development.

Spy (Super Junior song): "Spy" is a digital single by South Korean boy band Super Junior.  It is the second promotional single for the group's sixth studio album "Sexy, Free & Single" and title track of the repackaged edition, titled "Spy".  It was digitally released on August 5, 2012, along with three other new tracks in the repackaged album, which was released offline on August 6.

Just BLAQ: Just BLAQ is the debut EP by the South Korean boy group MBLAQ.  The EP was released online on October 14, 2009.  The debut single, ""Oh Yeah"" was released the same day to Korean music outlets.  The song ""G.O.O.D. Luv"" was released as the EP's second promotional single.  The album is labeled as a "single-album" (single or maxi single) in Korea, however, the album falls into the category of an EP (extended play or mini album), and technically does not qualify as a single.

State of Grace (Taylor Swift song): "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.

Supporting paragraphs: State of Grace (Taylor Swift song) Red (Taylor Swift song)
Answer: October 2, 2012