Wonder Girls () was a South Korean girl group and band formed by producer Park Jin-young under JYP Entertainment in 2006, which debuted in 2007.
 The group's final line-up consisted of Yubin, Yeeun, Sunmi and Hyerim.
 Members Sunye and Sohee officially left the group in 2015, while Hyuna left in late 2007.
 They were co-managed in the United States by Creative Artists Agency.
TrueBliss were a New Zealand pop girl group formed in April 1999.
 The band were formed on the popular television show "Popstars", which aired on TV2 for nine weeks in the search for a new girl group.
 TrueBliss were the first ever group to be formed under the "Popstars" banner, before the concept was sold to Australia (who formed the group Bardot in similar style), continental Europe, the UK and the United States.
Pristin (Hangul: 프리스틴 ; stylized as PRISTIN and formerly known as Pledis Girlz) is a South Korean girl group formed by Pledis Entertainment in 2016.
 The group is composed of ten members: Nayoung, Roa, Yuha, Eunwoo, Rena, Kyulkyung, Yehana, Sungyeon, Xiyeon and Kyla.
 Most of them appeared on the television show "Produce 101" and, as the prize for becoming two of the top contestants, Nayoung and Kyulkyung went on to debut as part of the project girl group I.O.I, before reuniting with the other members to debut as Pristin on March 21, 2017, with the first mini album "Hi!
 Pristin".
 Like their labelmate group Seventeen, Pristin is known for writing and composing their own music.
Fromis (; initialism for From Idol School; stylized as fromis_) is an upcoming South Korean girl group formed by CJ E&M through the 2017 reality show "Idol School" on Mnet.
 The group is composed of nine members: Roh Ji-sun, Song Ha-young, Lee Sae-rom, Lee Chae-young, Lee Na-gyung, Park Ji-won, Lee Seo-yeon, Baek Ji-heon and Jang Gyu-ri.
 The group's name, pronounced as "promise" in Korean, also means "to keep their promise [to viewers] to be the best girl group".
Kim Se-jeong (born August 28, 1996) is a South Korean singer and actress signed under Jellyfish Entertainment.
 She is best known for finishing second in Mnet's K-pop girl group survival show "Produce 101" and is a member of girl group Gugudan.
 She is a former member of I.O.I and was also a co-host of KBS2 variety show "Talents for Sale" (2016).
 She is also known for playing the main character in the drama "School 2017".
The Sugababes are an English girl group formed in 1998 by Siobhán Donaghy, Mutya Buena and Keisha Buchanan.
 Their debut album, "One Touch", was released in the UK through London Records on 27 November 2000.
 The album achieved moderate success, peaking at number 26 in April 2001 and eventually being certified Gold.
 In 2001, Donaghy departed the group amid rumours of a rift with Buchanan and the group were dropped by their record label.
 With the introduction of Heidi Range, former member of fellow English girl group Atomic Kitten, the group began to experience a higher level of commercial success whilst keeping the critical acclaim they had achieved with their debut album.
 They released three studio albums before Buena announced her departure in December 2005, leading to Amelle Berrabah being brought in to replace her.
 Following the release of their first greatest hits album, the new line-up released two studio albums.
 In September 2009, after 11 years in the Sugababes, Buchanan, the final original member, was replaced by former UK Eurovision entry Jade Ewen.
 Range, Berrabah and Ewen released the group's seventh studio album, "Sweet 7", in 2010, after which they signed to RCA Records, before announcing an indefinite hiatus in 2011.
 In 2013, Ewen confessed that the Sugababes had split two years earlier.
 The original line-up of the band reformed in 2011, under the new name Mutya Keisha Siobhan.
D.Holic (Hangul: 디홀릭) was a South Korean girl group formed by Star Road Entertainment (formerly H.Mate Entertainment) in 2014 with five members.
 Nine left the group in August 2015, due to personal reasons, and was replaced by new member, Hwajung.
 In July 2016, it was revealed through teasers that Danbee and Duri had decided to leave the group, new member, EJ, was added to the line-up.
 In February 2017, it was confirmed through a performance that members Hami and Hwajung had departed from the group.
 They were temporary replaced with new members, Nayoung and Youjin, although they never officially made their debut.
 In July 2017, EJ announced that she would be leaving the group to pursue a modelling career.
 The group informally disbanded after the departure of all but one member, with the aim of re-debuting the remaining member, Rena, into a new girl group within a year.
 The group has released one mini-album: "Chewy" (2015) and three single albums: "D.Holic Dark With Dignity" (2014), "Murphy & Sally" (2015), and "Color Me Rad" (2016).
Secret (Hangul: 시크릿 ) is a South Korean K-pop girl group formed by TS Entertainment in 2009.
 The group originally debuted with four-members: Jun Hyoseong, Jung Hana, Song Jieun and Han Sunhwa.
 Former member Han Sunhwa officially departed from the group in October 2016.
 They released their debut single "I Want You Back" October 2009.
 Secret's debut single did not meet great success and it wasn't until the following year that the group saw a rise in popularity.
 In 2010, Secret released two singles "Magic" and "Madonna" which earned much attention with both singles peaking at No. 2 and No. 1 respectively on the Gaon Digital Chart.
 With the success of "Magic" and "Madonna", the group received the "Newcomer Award" at the 25th Golden Disk Awards.
 During Secret's early days the group was known as "basement-idols" because of the poor living conditions they were in, but with their rapid success the group was able to move into better conditions.
The SeeYa (Korean: 더 씨야 ; stylized as "The SEEYA") was a South Korean R&B girl group formed by MBK Entertainment (formerly known as Core Contents Media) in 2012.
 The group was a reboot of original girl group SeeYa.
 The group consisted of Minkyung, Youngjoo, Yoojin and Yeonkyung.
 They debuted on November 12, 2012 with their first single album "Good To Seeya" featuring the title track "Be With You".
 They had their debut stage on November 15, 2012 at M!
 Countdown.
 In late 2015, MBK Entertainment removed their profile page from the official website and it was reported that the group was disbanded.
Ahn So-hee (born June 27, 1992), better known by the mononym Sohee, is a South Korean actress and singer.
 She is a former member of the South Korean girl group Wonder Girls.

Question: Ahn So-hee is a former member of a girl group formed by what producer?
Answer: Park Jin-young