Question: "Three Words" is song released on October 7, 2016, and recorded by which South Korean boy group, a six-member South Korean boy band, that started in 1997?

full_context: Document 1: Kim Jong-hyun discography: The discography of the South Korean singer Kim Jong-hyun (most often credited as Jonghyun) consists of one studio album, two compilation album, one extended play, seven singles and six appearances in soundtracks. Jonghyun released his first extended play, "Base", on January 12, 2015. His first compilation album, entitled "Story Op.1", was released on September 17, 2015. Jonghyun released a collaboration single with Heritage titled "Your Voice" on March 18, 2016, for the project Station. On May 24, 2016, he launched his first studio album, "She Is", containing a total of 9 songs. On December 9, 2016, he released the song "Inspiration" for the project Station. He released his second compilation album, titled "Story Op.2", on April 24, 2017.
Document 2: Day6: Day6 (, stylized as DAY6) is a South Korean rock band formed by JYP Entertainment. The band's current line-up consists of five members: Jae, Sungjin, Young K, Wonpil, and Dowoon. The band debuted with the release of their first EP, "The Day" on September 7, 2015.
Document 3: Shinhwa: Shinhwa () is a South Korean six-member boy band based in Seoul, composed of Eric Mun, Lee Min-woo, Kim Dong-wan, Shin Hye-sung, Jun Jin, and Andy Lee. Launched by SM Entertainment on 24 March 1998 and now managed by Shinhwa Company, the group is the longest-running boy band in the history of K-pop and one of the pioneers of the K-pop idol culture.
Document 4: List of songs written by Taecyeon: Ok Taec-yeon, composing as Taecyeon a.k.a TY, is a South Korean actor, entrepreneur, singer, songwriter and the main rapper of the South Korean boy group 2PM. In 2012, Taecyeon teamed up with his fellow Dankook University alumni students to produce a digital album and then began writing and composing songs for his solo stage at 2PM Japanese Concert, 'Six Beautiful Days' in Budokan. Taecyeon started actively participating in writing and composing songs for 2PM the following year.
Document 5: Exo (band): Exo (Korean: 엑소 ; stylized as EXO) is a South Korean-Chinese boy group based in Seoul. Formed by S.M. Entertainment in 2011, the group debuted in 2012 with twelve members separated into two subgroups, Exo-K (Suho, Baekhyun, Chanyeol, D.O., Kai, and Sehun) and Exo-M (Xiumin, Lay, Chen and former members Kris, Luhan and Tao ), performing music in Korean and Mandarin respectively. Exo's first album "XOXO" (2013), which contained the breakthrough hit "Growl", was a critical and commercial success, winning both Disk Daesang at the 28th Golden Disk Awards and Album of the Year at the 15th Mnet Asian Music Awards. It sold over one million copies, making Exo the best-selling Korean artist in twelve years. Subsequent albums and EPs continued with strong sales, and Exo were ranked the most influential celebrity by "Forbes" Korea Power Celebrity for the years 2014 and 2015. They have been named "the biggest boyband in the world" by media outlets.
Document 6: Three Words (song): "Three Words" is song recorded by South Korean boy group Sechs Kies, released on October 7, 2016, as digital single by YG Entertainment and later included in their compilation album, "20th Anniversary" (2017). It was written by Tablo while the production was done by Future Bounce. Musically, it is a mid-tempo ballad song.
Document 7: Sechs Kies: SECHSKIES (pronounced as , Korean: 젝스키스 , Japanese: ジェクスキス ) is a six-member South Korean boy band in 1997. They are the "1st-generation K-Pop idols" and were named as one of the top boy groups in the 90's. Consisting of members Eun Ji-won, Lee Jai-jin, Kim Jae-duck, Kang Sung-hoon, Ko Ji-yong and Jang Su-won, the group debuted on April 15, 1997.
Document 8: TT (song): "TT" is a song recorded by South Korean girl group Twice, the lead single of their third extended play (EP) "". The song was released on October 24, 2016 by JYP Entertainment and distributed by KT Music. It is written and composed by Sam Lewis and Black Eyed Pilseung respectively. The title "TT" refers to the emoticon used to express crying or sadness.
Document 9: K-pop: K-pop (abbreviation of Korean pop; Hangul: 케이팝 ) is a music genre originating in South Korea that is characterized by a wide variety of audiovisual elements. Although it includes all genres of "popular music" within South Korea, the term is often used in a narrower sense to describe a modern form of South Korean pop music drawing inspiration on a range of styles and genres incorporated from the rest of the world such as Western pop music, rock, experimental, jazz, gospel, Latin, hip hop, R&B, reggae, electronic dance, folk, country and classical on top of its uniquely traditional Korean music roots. The more modern form of the genre emerged with one of the earliest K-pop groups, Seo Taiji and Boys, forming in 1992. Their experimentation with different styles and genres of music and integration of foreign musical elements helped reshape and modernize South Korea's contemporary music scene.
Document 10: Girls' Generation: Girls' Generation (), also known as SNSD, is a South Korean girl group formed by S.M. Entertainment. The group is composed of eight members: Taeyeon, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona, and Seohyun. Originally a nine-piece group (with Jessica, who later departed from the group in September 2014), Girls' Generation debuted in 2007 with their Korean eponymous debut album. Though the album gained some attention, it was not until 2009 that the group rose to fame with the single "Gee", which claimed the top spot on KBS's "Music Bank" for a record-breaking nine consecutive weeks and was named the most popular song of the 2000s in South Korea by Melon. Girls' Generation further consolidated their popularity on the South Korean music scene with follow-up singles "Tell Me Your Wish (Genie)", "Oh!", and "Run Devil Run", which were released in mid-2009 and early 2010.
Document 11: Sharp (South Korean band): Sharp (stylized as S♯arp) was a South Korean pop music vocal group in the late 1990s and early 2000s. The group consisted of Chris Kim, Jang Seok-hyun, Seo Ji-young and Lee Ji-hye. A male original member, John Kim (UPTOWN, Slow-Jam) quit the group after the first album. They released five albums before breaking up. Their last album was "S♯arp Vol. 5 - StYlE."
Document 12: Remember That (EP): Remember That is the eighth EP of the South Korean boy group, BTOB. It was released on March 28, 2016. It is also the third installment to the BTOB's ballad trilogy, promoting the lead single "Remember That". BTOB's own members participated in the production of all the songs in this album.
Document 13: 1 of 1 (album): 1 of 1 is the fifth Korean studio album and the eighth overall by South Korean boy band Shinee. It was released digitally and physically on October 5, 2016, under S.M. Entertainment and distributed by KT Music. The album contains nine songs, including the title track of the same name, "1 of 1". Musically, the album is a modernized twist on the retro genre, and stretches back to the 1980–1990 period. Additionally, based on their '90s theme, the group released a limited edition of cassette tapes besides the usual CD version. In order to promote the album, Shinee appeared on several South Korean music programs, such as "Music Bank", "Show! Music Core", and "Inkigayo", where they performed material from the album. On November 15, 2016, Shinee released a repackaged version of their fifth studio album titled "1 and 1" with 5 new songs, including the title track "Tell Me What to Do".
Document 14: S (South Korean band): S (에스) is a South Korean project group consisting of three members: Kangta, Lee Ji-hoon and Shin Hye-sung. The group debuted in 2003, under the SM Entertainment label. After 11 years, they released and promoted another mini-album in 2014.
Document 15: T.O.P (rapper): Choi Seung-hyun (; born November 4, 1987), better known by his stage name T.O.P, is a South Korean rapper, singer, songwriter, record producer and actor. T.O.P rose to fame in the mid-2000s as one of two rappers in the South Korean boy band Big Bang. Released under YG Entertainment, the group became one of the best-selling groups of all-time in Asia and one of the best-selling boy bands in the world. In 2010, while the group was on hiatus, T.O.P and G-Dragon formed a duo to record and release the number-one collaboration album, "GD & TOP". As a solo rapper, he has released two digital singles, "Turn It Up" (2010) and "Doom Dada" (2013), which peaked at number two and four, respectively, on the Gaon Digital Chart.
ground_truth: Sechs Kies