Question: Which member of the group F(x) has also participated in various television dramas such as "The Heirs" (2013), "My Lovely Girl" (2014), and "The Bride of Habaek" (2017)?
Context: Kim Hee-chul (born July 10, 1983), better known by the mononym Heechul, is a South Korean singer, songwriter, presenter, and actor.  He is a member of South Korean boy group Super Junior and has further participated in its subgroup, Super Junior-T as well as project group with TRAX's Jungmo, M&D.  Aside from group activities, he participated in various television dramas, appeared as a radio DJ and television presenter.  He is a "League of Legends" Gamer on LoL "Champions" and "Celebrity Event". Choi Soo-young (born February 10, 1990), better known by the mononym Sooyoung, is a South Korean singer and actress.  She was a part of the short-lived Korean-Japanese singing duo, Route θ, during 2002 in Japan.  After returning to South Korea in 2004, Sooyoung eventually became a member of girl group Girls' Generation in 2007.  The group went on to be one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide.  Apart from her group's activities, Sooyoung has also starred in various television dramas such as "The 3rd Hospital" (2012), "" (2013), "My Spring Days" (2014) and "38 Revenue Collection Unit" (2016). f(x) ( ; Hangul: 에프엑스 ) is a South Korea-based girl group formed by S.M. Entertainment in 2009.  Since their debut, f(x) has released four full-length albums, two extended plays, and one repackaged album.  The group is currently composed of four members: Victoria, Luna, Amber, and Krystal.  It was originally a five-piece group (with Sulli, who later departed from the group in August 2015). Kim Ki-bang (born May 31, 1981) is a South Korean actor.  Since his acting debut in 2005, Kim has played supporting roles in television dramas such as "Boys Over Flowers" (2009), "Golden Time" (2012), "Gu Family Book" (2013), "Medical Top Team" (2013), "My Lovely Girl" (2014), and "Heart to Heart" (2015).  He played his first leading role in the film "Geochang Massacre - Bloody Winter" (2013). Cho Seung-hee (born June 3, 1991) is a South Korean actress and singer.  She was a member of South Korean girl group F-ve Dolls and DIA.  She has participated in various television dramas such as "Mr. Back" (2014), "Triangle" (2014), "The Night Watchman's Journal" (2014) and "The Producers" (2015). This is the discography of the South Korean girl group f(x).  Since debuting in 2009, f(x) has released four full-length albums, two extended plays, one repackaged album, one video album, one Korean physical single and two Japanese physical single.  They have also participated in the OSTs of various Korean dramas.  Their debut single was "LA chA TA" in 2009. Kim Hee-chul (born July 10, 1983), better known by the mononym Heechul, is a South Korean singer, songwriter, presenter, and actor.  He is a member of South Korean boy band Super Junior and further participated in its subgroup, Super Junior-T as well as project group with TRAX's Jungmo, M&D.  Aside from group activities, he participated in various television dramas, appeared as a radio DJ and television presenter.  He is a "League of Legends (LoL)" Gamer on LoL "Champions" and "Celebrity Event". Kim Jong-hoon (born Kim Jong-woon on August 24, 1984), better known by his stage name Yesung, is a South Korean singer and actor.  He debuted in 2005 as a member of Super Junior and its subgroups Super Junior-K.R.Y. (2006), Super Junior-H (2008) and participated in S.M. Entertainment's projects S.M.  The Ballad (2014).  Aside from group activities, he has recorded songs for various television dramas and movies, participated in various television dramas, movies, musical and also being radio hosting. Chrystal Soo Jung (born October 24, 1994), better known by the mononym Krystal, is an American singer and actress based in South Korea.  She debuted in 2009 as a member of South Korean girl group f(x) and has further participated in S.M. Entertainment's project group S.M.  The Ballad.  Aside from group activities, she has also participated in various television dramas such as "" (2011–12), "The Heirs" (2013), "My Lovely Girl" (2014), and "The Bride of Habaek" (2017). Kim Tae-yeon (born March 9, 1989), referred to as Taeyeon, is a South Korean singer.  She had been a trainee at S.M. Entertainment's Starlight Academy during her middle school years before debuting as a member of the agency's girl group, Girls' Generation, in 2007.  Since then, she has risen to prominence due to the group's success on the Asian music scene and further participated in the agency's projects Girls' Generation-TTS and SM the Ballad.  Aside from group activities, she has also recorded songs for various television dramas and movies.
Answer: Chrystal Soo Jung