Question: What South Korean singer and television personality hosted show also hosted by comedian Jeong Hyeong-don and rapper Defconn?

full_context: Document 1: Weekly Idol: Weekly Idol () is a South Korean variety show, which airs Wednesdays, 6PM KST, on MBC Every1, MBC's cable and satellite network for comedy and variety shows. The show is hosted by comedian Jeong Hyeong-don and rapper Defconn. The set is often referred to as B3 (basement level 3).
Document 2: Jung Il-hoon: Jung Il-hoon (; born October 4, 1994), simply known as Ilhoon, is a South Korean rapper, songwriter, record producer, and actor. He is the main rapper of the South Korean boy group BtoB. He is well known for his multiple song featurings with artists such as Hyuna and G.NA and as an assistant MC in the variety show "Weekly Idol". Ilhoon made his acting debut as he starred in the drama "Webtoon Hero: Tundra Show" in 2015. He was also known for inventing and popularizing the gestures for "Gwiyomi Player".
Document 3: Idol School (2014 TV series): Idol School (Hangul: 아이돌 스쿨 ) is a South Korean variety show, which airs on MBC Music, MBC's cable and satellite network for music. The show is hosted by Jun Hyun-moo, singer Kim Yeon-woo and Sojin of Girl's Day.
Document 4: Defconn: Defconn (Hangul: 데프콘 ; born Yoo Dae-joon, 유대준, January 6, 1977) is a South Korean rapper and comedic television personality.
Document 5: King of Mask Singer: Mystery Music Show: King of Mask Singer () is a South Korean singing competition program presented by Kim Sung-joo, with introductions by voice actor . It airs on MBC on Sunday at 16:50, starting from April 5, 2015 as a part of MBC's "Sunday Night" programming block, along with "Real Men", replacing "Animals".
Document 6: Hitmaker (2014 TV series): Hyung-don and Dae-joon's Hitmaker () is a 2014 South Korean variety television series presented by South Korean producer duo Jeong Hyeong-don and Defconn. It first aired on MBC Every1 on Tuesday at 6:00 pm KST beginning July 29, 2014. It ran for two seasons in 2014 and 2015, documenting the formation and debut processes of their first boy group Big Byung (Korean: 빅병 ) and their first girl group Chamsonyeo (Korean: 참소녀 ). It was renewed for another season in 2016, with Season 1 and 2 host Defconn being replaced by BEAST's Yong Jun-hyung. The hosts, along with N.Flying's Cha Hun travelled to Dublin, Ireland to stage a performance.
Document 7: Volume Up (radio show): Volume Up () is a South Korean radio show currently hosted by Kim Ye-won on KBS 2FM in Seoul and UKBS MUSIC DMB in the provinces, airing everyday at 20:00–22:00 (KST), just right after KBS 2FM News 8PM edition. Known as the "ruler of the dinner time" the show became the highest-rated radio program in its time slot across both AM and FM bandwidths in Seoul. KBS 2FM was South Korea's No. 10 station. Popular for soft music playlist, a short soap opera segment called "Lie to Me" based on the 2011 TV drama of the same title and Yoo's "My Final Message".
Document 8: Ki Hui-hyeon: Ki Hui-hyeon (born June 16, 1995), better known by the mononym Huihyun and former stage name Cathy, is a South Korean singer. She is best known as a member of the South Korean girl group DIA.
Document 9: LE (rapper): Ahn Hyo-jin (born December 10, 1991), better known by her stage name LE ( ), is a South Korean rapper, singer, songwriter, and record producer. She is the main rapper of the K-pop girl group EXID.
Document 10: Lee Hae-in (singer): Lee Hae-in (born July 4, 1994) is a South Korean singer and actress. She debuted in project girl group I.B.I, a project girl group that consists of Produce 101 eliminated contestants formed by LOEN Entertainment, which debuted in August 2016. In 2017, she joined another survival girl group show, Idol School as a contestant.
Document 11: Hani (singer): Ahn Hee-yeon (Hangul: 안희연; born May 1, 1992), better known by her stage name Hani, is a South Korean singer and television personality. She is known as a member of the South Korean girl group EXID and its subgroup, Dasoni. She was also a cast member in several variety shows such as "Off to School", "Crime Scene" and "A Style for You" and has also hosted "Weekly Idol".
Document 12: Han Seung-yeon: Han Seung-yeon (born July 24, 1988), better known mononymously as Seungyeon, is a South Korean singer and actress. She is best known as former main vocalist of the South Korean girl group Kara.
Document 13: Inkigayo: Inkigayo (Korean: 인기가요 ; English title: The Music Trend, previously Popular Song) is a South Korean music program broadcast by SBS. It airs live every Sunday at 12:10 PM KST. The show features some of the latest and most popular artists who perform on stage. Since February 5, 2017, it is hosted by Park Jin-young, Kim Ji-soo and Kim Do-young. It is broadcast from the SBS Open Hall in Deungchon-dong, Gangseo-gu, Seoul.
Document 14: Young Gi Han: Young Gi Han (born 1984), also known as Tina Han, is an internationally exhibited South Korean artist. She attended Kyung Hee University for her BFA and the School of Visual Arts in New York from which she received her MFA. Han is now living and working in New York City. Her work was exhibited at Times Square Arts Center, Elizabeth Foundation for the Arts, Contemporary Artists Center, Artifact gallery, Brooklyn Art Cluster, Amos Eno gallery and Soapbox gallery. Most recently she has exhibited her paintings at 'The Rediscovery of Diaspora' at Gyeomjae Jeongseon Art Museum, as one of 8 internationally active South Korean artists. Han was interviewed by the "Bronx Times" in 2009 and by Mist gallery in 2016. She will have a solo exhibition in 2018 at Walter Wickiser gallery in New York City.
Document 15: Lee Hae-in (actress): Lee Ji-young (Hangul: 이지영; born on April 19, 1986) better known by her stage name Lee Hae-in is a South Korean actress and singer. She is former member of South Korean girl group Gangkiz.
ground_truth: Ahn Hee-yeon