Question: Which child actress began her career in 2006 and also stared in the television series The Emperor: Owner of the Mask?

full_context: Document 1: Lee Hyun-woo (actor): Lee Hyun-woo (born March 23, 1993) is a South Korean actor and singer. He began his career as a child actor when he was nine, and later appeared in the television series "The Return of Iljimae" (2009) and "Queen Seondeok" (2009). He was also featured in "Master of Study" (2010) and "To the Beautiful You" (2012). Lee gained recognition with his role as a North Korean spy in the 2013 film "Secretly, Greatly" as well as a genius hacker in 2014's "The Con Artists". In 2016, he landed his first leading role in KBS2's "Moorim School". In 2017, he starred in his second leading role in tvN's "The Liar and His Lover", alongside Red Velvet's Joy
Document 2: Kim Yoon-hye: Kim Yoon-hye (born May 24, 1991) is a South Korean actress. She first appeared on a 2002 magazine cover of Vogue Girl Korea, and also modeled for MTV Asia in 2005 before starring in several music videos. She made her acting debut under the stage name Woori, which means "us" in Korean, making it difficult for her name to be searched on internet portals. She reverted to using her real name Kim Yoon-hye during the promotions for horror-comedy film "Ghost Sweepers" in 2012. Kim next starred in the TV dramas "Heartstrings", "I Need a Fairy" (also known as "Sent from Heaven"), and "Flower Boys Next Door". In 2013, she garnered positive reviews for her portrayal of a cold and aloof high school girl in romantic thriller "Steel Cold Winter".
Document 3: Kim So-hyun: Kim So-hyun (; born June 4, 1999), is a South Korean actress. She began her career as a child actress in 2006 and initially gained public attention for playing a villainous young queen-to-be in "Moon Embracing the Sun" (2012) and a girl who falls into tragedy in "Missing You" (2013). She took on her first leading role in teen drama "" (2015) and since then, has starred in horror comedy "Hey Ghost, Let's Fight" (2016) and historical melodrama "" (2017).
Document 4: Jeon So-min: Jeon So-min (; born April 7, 1986) is a South Korean actress. She made her debut in 2004 MBC sitcom called "Miracle". In 2013, Jeon played her first leading role in the MBC television series "Princess Aurora". She received recognition from her role in the drama and won the "Best New Actress Award" in 2013 MBC Drama Awards. Her other performances as a leading role include in "1% of Anything (2016 TV series)" and "Tomorrow Victory (2015 TV series)".
Document 5: Claudia Kim: Kim Soo-hyun (born January 25, 1985), also known as Claudia Kim, is a South Korean actress and model. She spent six years of her childhood in New Jersey before returning to South Korea.
Document 6: Kim Go-eun: Kim Go-eun (born July 2, 1991) is a South Korean actress. She debuted in the critically acclaimed film "A Muse" (2012) where she won several Best New Actress awards in South Korea. She next appeared in the crime thrillers "Monster" (2014), "Coin Locker Girl" (2015) and "Memories of the Sword" (2015). Kim then extended her filmography to television where she played leading roles in the tvN dramas "Cheese in the Trap" (2016) and "" (2016-2017).
Document 7: Seohyun: Seo Ju-hyun (born June 28, 1991), known professionally as Seohyun, is a South Korean singer and actress. She debuted as a member of girl group Girls' Generation (and later its subgroup TTS) in August 2007, who 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, she has established herself as an actress, notably through her participation in the original and Korean versions of stage musicals including "Moon Embracing the Sun", "Gone with the Wind" and "Mamma Mia". She also starred in the drama "". She debuted as a solo artist with her debut mini album, "Don't Say No", on January 17, 2017, making her the third Girls' Generation member to debut as a solo artist.
Document 8: Kim Sae-ron: Kim Sae-ron (born July 31, 2000) is a South Korean actress. She began her career when she was nine years old and became a popular child star through the films "A Brand New Life" (2009) and "The Man From Nowhere" (2010). As Kim reached her teenage years, she was cast in more leading roles, notably in the film "A Girl at My Door" (2014). She has also starred in television drama series, including "Can You Hear My Heart" (2011), "The Queen's Classroom" (2013) and "Hi! School-Love On" (2014). Her first adult lead role was in the television drama "Mirror of the Witch" (2016).
Document 9: W (TV series): W () is a 2016 South Korean television series, starring Lee Jong-suk and Han Hyo-joo. It aired on Wednesdays and Thursdays at 22:00 (KST) on MBC from July 20 to September 14, 2016.
Document 10: Ahn Seo-hyun: Ahn Seo-hyun (born January 12, 2004) is a South Korean actress. She began her career as a child actress in 2008, and has since appeared in films and television series such as "The Housemaid" (2010), "Single-minded Dandelion" (2014) and the critically acclaimed Netflix film "Okja" (2017), which premiered at the 2017 Cannes Film Festival in competition for the "Palme d'Or".
Document 11: Emperor of the Sea: Emperor of the Sea (; literally "Sea God") is a South Korean television drama series starring Choi Soo-jong, Chae Shi-ra, Song Il-gook، Soo Ae and Chae Jung-an It aired on KBS2 from November 24, 2004 to May 25, 2005 on Wednesdays and Thursdays at 21:55 for 51 episodes. The period drama is based on Choi In-ho's 2003 novel "Hae-sin", which depicts the life of Jang Bogo, who rises from a lowly slave to a powerful maritime figure who dominated the East Asia seas and international trade during the Unified Silla Dynasty.
Document 12: 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 13: Moon Embracing the Sun: Moon Embracing the Sun (, also known as The Moon That Embraces the Sun or The Sun and the Moon) is a 2012 South Korean television drama series, starring Kim Soo-hyun, Han Ga-in, Jung Il-woo and Kim Min-seo. It aired on MBC from January 4 to March 15, 2012, on Wednesdays and Thursdays at 21:55 for 20 episodes.
Document 14: The Heirs: The Heirs (왕관을 쓰려는 자, 그 무게를 견뎌라 – 상속자들 ), also known as The Inheritors, is a South Korean television series starring Lee Min-ho, Park Shin-hye and Kim Woo-bin. Written by Kim Eun-sook, the trendy drama is set in a high school populated by the privileged and uber-rich. It aired on SBS from October 9 to December 12, 2013 on Wednesdays and Thursdays at 22:00 for 20 episodes.
Document 15: The Emperor: Owner of the Mask: The Emperor: Owner of the Mask () is a South Korean television series starring Yoo Seung-ho, Kim So-hyun, Kim Myung-soo, Yoon So-hee, Heo Joon-ho and Park Chul-min. It aired on MBC every Wednesday and Thursday at 22:00 (KST) from May 10, 2017 for 40 episodes.
ground_truth: Kim So-hyun