Question: When is the cast in The Guardians born that is a South Korean singer, actor, fashion designer and television presenter?

full_context: Document 1: Cho Kyuhyun: Cho Kyu-hyun (born February 3, 1988), better known mononymously as Kyuhyun, is a South Korean singer and musical theatre actor. He is best known as a member of South Korean boy group Super Junior, its sub-groups Super Junior-K.R.Y., Super Junior-M and a former member of the South Korean ballad group S.M. the Ballad. He is one of the first four Korean artists to appear on Chinese postage stamps.
Document 2: Onew: Lee Jin-ki (born (1989--) 14, 1989 ), better known by his stage name Onew, is a South Korean singer and actor. Born in Gwangmyeong, Gyeonggi-do, Onew was discovered at the 2006 S.M. Academy Casting and signed the contract with S.M Entertainment the day after his audition. He debuted as one of the lead vocalists of boy group Shinee in May 2008, who went on to become one of the best-selling artists in South Korea.
Document 3: Untouchable (2017 TV series): Untouchable () is an upcoming South Korean television series starring Jin Goo, Kim Sung-kyun, Go Joon-hee and Jung Eun-ji. It is set to air on JTBC starting November 24, 2017 on Fridays and Saturdays at 23:00 KST time slot.
Document 4: Circle (TV series): Circle () is a South Korean television series starring Yeo Jin-goo, Kim Kang-woo, Gong Seung-yeon, , , Lee Gi-kwang and . It is scheduled to air on tvN every Mondays and Tuesdays at 23:00 (KST) starting May 22, 2017.
Document 5: Seungri: Lee Seung-hyun (Hangul: 이승현; born December 12, 1990), better known by his stage name Seungri (Hangul: 승리, "Victory") and V.I when performing in Japan, is a South Korean singer, songwriter, record producer, actor, and entrepreneur. In the mid-2000s, Seungri rose to prominence as one of three vocalists and youngest member of the South Korean boy band Big Bang under YG Entertainment, which eventually became one of the best-selling digital group of all-time in Asia and one of the best-selling boy bands in the world. With the release of the group's second studio album "Remember" (2008), in which the second single released, "Strong Baby", was performed solely by Seungri, he began to adopt a more mature image as an artist.
Document 6: Guardian: The Lonely and Great God: Guardian: The Lonely and Great God (), known internationally as simply Goblin, is a South Korean television series starring Gong Yoo, Kim Go-eun, Lee Dong-wook, Yoo In-na, and Yook Sung-jae. It aired on cable network tvN every Friday and Saturday at 20:00 starting December 2, 2016 until January 21, 2017.
Document 7: G-Dragon: Kwon Ji-yong (; born August 18, 1988), better known by his stage name G-Dragon, is a South Korean rapper, singer-songwriter, record producer, and fashion icon. After six years as a trainee under the record label YG Entertainment, G-Dragon rose to fame in the mid-2000s as one of two rappers in the South Korean hip hop boy band Big Bang. Despite initial lukewarm receptions, the group became one of the best-selling digital groups of all-time in Asia and one of the best-selling boy bands in the world.
Document 8: Suspicious Partner: Suspicious Partner () is a 2017 South Korean television series starring Ji Chang-wook and Nam Ji-hyun, with Choi Tae-joon and Kwon Nara. It aired on SBS from May 10 to July 13, 2017 at 22:00 (KST) on Wednesdays and Thursdays for 40 episodes.
Document 9: Kai (musician, born 1981): Jung Ki-Yeol (born December 5, 1981), known professionally as Kai, is a South Korean singer and musical theatre actor. He is best known in musical theatre, and has starred in Korean productions of "A Tale of Two Cities", "The Three Musketeers" and "Phantom".
Document 10: Key (entertainer): Kim Ki-bum (born September 23, 1991), better known by his stage name Key, is a South Korean singer, actor, fashion designer and television presenter. Born and raised in Daegu, South Korea, he later travelled to Seoul after a successful audition at the S.M. National Tour Audition Casting. In 2008, Key debuted as a member of South Korean boy group Shinee, who later went on to become one of the best-selling artists in Korea. Key is widely recognised as a singer, but he has also ventured into different careers, notably as an actor and fashion designer.
Document 11: Suho: Kim Jun-myeon (born (1991--) 22, 1991 ), better known by his stage name Suho (meaning "guardian" in Korean), is a South Korean singer and actor. He is a member and leader of the South Korean-Chinese boy group EXO and its sub-unit EXO-K.
Document 12: While You Were Sleeping (2017 TV series): While You Were Sleeping () is a South Korean television drama starring Lee Jong-suk, Bae Suzy, Lee Sang-yeob, Ko Sung-hee and Jung Hae-in. It airs on SBS, every Wednesday and Thursday at 22:00 (KST) time slot, and premiered September 27, 2017.
Document 13: Kim Ki-bum: Kim Ki-bum (born August 21, 1987) is a South Korean actor and singer. He was a member of the South Korean boy band Super Junior. After the release of Super Junior's third studio album "Sorry, Sorry" in 2009, Kim announced his leave from the group to pursue his acting career. In 2015, Kim announced he ended his contract with S.M. Entertainment and departure from the group. Kim made his television debut in the Korean television drama, "April Kiss", in 2004.
Document 14: Gu Family Book: Gu Family Book (; also known as Kang Chi, the Beginning) is a 2013 South Korean television series starring Lee Seung-gi and Bae Suzy. The fusion martial arts action historical drama is about a half man-half monster who is searching for a centuries-old book that according to gumiho legend, contains the secret to becoming human.
Document 15: The Guardians (2017 TV series): The Guardians (Hangul: 파수꾼 ; RR: "Pasuggun "; lit. Lookout ) is a South Korean television series starring Lee Si-young, Kim Young-kwang, Kim Tae-hoon, Kim Seul-gi and Key. The drama aired on MBC on Mondays and Tuesdays at 22:00 (KST) from May 22 to July 11, 2017.
ground_truth: September 23, 1991