Question: What is the name of the pop artist that belongs on the Pledis Entertainment label and has 13 members?

Passages:
Yuehua Entertainment (Chinese: 乐华娱乐) (Korean: 위에화 엔터테인먼트) is a privately held multinational entertainment group and talent agency based in Beijing.  The company was founded in June 2009.  Yuehua is involved in television production and distribution, movie production, artist management and training, music and music video production, public relations, and entertainment marketing.  Yuehua Entertainment has partnerships with the South Korean companies Pledis Entertainment and Starship Entertainment.  Yuehua Entertainment received series-B financing from Gravity Media and CMC Capital in August 2014.  CMC Capital invested $49 million USD into the group and became its strategic shareholder at the completion of financing.  In 2014 Yuehua Entertainment established a Korean branch located in Gangnam-gu, Seoul, South Korea.  Yuehua announced plans for further expansion of their Korean branch operations beginning in February 2016. 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. On March 23, 2016, Pledis Entertainment announced they were to debut a new girl group, temporarily called Pledis Girlz.  7 of the 10 members, Eunwoo, Kyulkyung, Nayoung, Rena, Roa, Xiyeon and Yuha, previously competed during the first season of Mnet's survival show Produce 101, where Kyulkyung and Nayoung became finalists and debuted as part of the group I.O.I. Pledis Entertainment () is a South Korean record label and entertainment agency founded in 2007 by Han Sung-soo.  It is currently home to K-pop artists After School, Orange Caramel, NU'EST, Han Dong Geun, Kye Bumzu, Seventeen and Pristin.  Its name originates from the pleiades, a star cluster in the constellation Taurus.  Its current vice-president is Kim Yeon-soo. Hello Venus (; often stylized as HELLOVENUS) is a South Korean girl group formed by Tricell Media, a joint venture between Pledis Entertainment and Fantagio, in 2012.  The group originally consisted of six members: Alice, Nara, Lime, Yooara, Yoonjo, and Yooyoung.  They debuted with lead single "Venus" from their debut extended play, "Venus", on May 9, 2012. AKB48 is a Japanese idol girl group formed in 2005.  s of 06, 2017 the group consists of 125 members, divided among several teams: Team A with 13 members, Team K with 15 members, Team B with 13 members, and Team 4 with 17 members, Team 8 with 46 members, the last of which have 3 members serving concurrently with other AKB48 teams.  There are Kenkyusei members, 6 of whom serve on specific teams as understudies, and 18 of whom were recruited as a group of general understudies. Happy Pledis 2nd Album is a charity single by the South Korean music label Pledis Entertainment's artists Son Dam-bi, Kahi, After School, NU'EST's JR and Baekho, Hello Venus's Yoo Ara and Lime and Pre-School Girl Park Jung-hyun.  The album was released under the name "Happy Pledis 2nd Album" and is a charity release.  As NU'EST and Hello Venus hadn't officially debuted then, the album doesn't include all the members of the two groups, and NU'EST went by the name "Pledis Boys".  The album consisted of tracks "Love Letter", "Winter’s Tale", and "How Are You". Wan Chai District Council () is the district council for the Wan Chai District in Hong Kong.  It is one of 18 district councils.  Wan Chai District currently consists of 13 members, of which the district is divided into 13 constituencies, electing a total of 13 members.  The latest election was held on 22 November 2015. Kim Yu-jin (born April 9, 1988), better known by her stage name Uee (sometimes romanized as U-ie ), is a South Korean singer and actress.  She is best known for being a former member of South Korean girl group After School from 2009 to 2017, and has acted in various television dramas including "Queen Seondeok" (2009), "Ojakgyo Family" (2011), "Jeon Woo-chi" (2012), "Golden Rainbow" (2013), "High Society" (2015) and "Marriage Contract" (2016).  On May 31, 2017, Uee graduated and left After School and its agency, Pledis Entertainment and now under Yuleum Entertainment. Seventeen (Hangul: 세븐틴 ), also stylized as SEVENTEEN or SVT, is a South Korean boy group formed by Pledis Entertainment in 2015.  The group consists of thirteen members who are separated into three sub-units, each with different areas of specialization: a 'Hip-Hop Unit', 'Vocal Unit', and 'Performance Unit'.  They have released one studio album and four extended plays.

Supporting sentences:
Pledis Entertainment () is a South Korean record label and entertainment agency founded in 2007 by Han Sung-soo.  It is currently home to K-pop artists After School, Orange Caramel, NU'EST, Han Dong Geun, Kye Bumzu, Seventeen and Pristin.  The group consists of thirteen members who are separated into three sub-units, each with different areas of specialization: a 'Hip-Hop Unit', 'Vocal Unit', and 'Performance Unit'.