Question: Shin Hye-sun played her first protagonist role in a tv series that airs on what network?

full_context: Document 1: Jung Hye-sung: Jung Hye-sung (born Jung Eun-joo on April 29, 1991) is a South Korean actress and model. She featured in television series "Oh My Venus" (2015) and "" (2015), eventually gaining wider recognition for her role as Princess Myung-eun in "Love in the Moonlight" (2016).
Document 2: 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 3: My Golden Life: My Golden Life () is a 2017 South Korean television series starring Park Si-hoo, Shin Hye-sun, Lee Tae-hwan, and Seo Eun-soo. The series airs on KBS2 every Saturday and Sunday from 7:55 p.m. to 9:15 p.m. (KST).
Document 4: Han Sun-hwa: Han Sun-hwa (born October 6, 1990), is a South Korean singer and actress. She is a former member of the South Korean girl group Secret. She made her television debut in 2004 while participating in SBS's "Superstar Survival" as a finalist, and in 2009, she was a regular cast on a variety show called "Invincible Youth". Aside from music, she also ventured into acting and made her debut in the 2010 drama, "More Charming By The Day". She also acted in several dramas with supporting roles in "Ad Genius Lee Tae-baek", "God's Gift - 14 Days", and "Marriage, Not Dating". In 2014 she finally starred as a lead actress on MBC's weekend drama "Rosy Lovers" as Baek Jang Mi co-starring with actor Lee Jang Woo. CNN International Seoul listed Sunhwa as one of the nine rising "It" stars in Korean entertainment citing her as a "multi-tasking" artist. Her portrayal of Kang Se-Ah in the 2014 TVN drama, "Marriage, Not Dating" earned her a nomination for "Best Youth Actress" at the 16th Seoul International Youth Film Festival. In 2014, her portrayal of Jang-Mi from "Rosy Lovers" and Jenny from "God's Gift 14 Day"s won her two best new actress awards from MBC and SBS Drama Awards. It was confirmed on September 26, 2016 that Sunhwa had not renewed her contract with TS Entertainment and will officially part ways in October. On October 14, 2016 Sunhwa joined Huayi Brothers as an actress.
Document 5: 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 6: Shin Hye-sun: Shin Hye-sun (born August 31, 1989) is a South Korean actress. She made her debut in the television series "School 2013" and acted her first protagonist role in "My Golden Life" (2017).
Document 7: Golden Time (TV series): Golden Time () is a 2012 South Korean medical drama starring Lee Sun-kyun, Hwang Jung-eum, Lee Sung-min and Song Seon-mi. It aired on MBC from July 9 to September 25, 2012 on Mondays and Tuesdays at 21:55 for 23 episodes.
Document 8: Man to Man (TV series): Man to Man () is a 2017 South Korean television series starring Park Hae-jin, Park Sung-woong, Kim Min-jung, Chae Jung-an and Yeon Jung-hoon. The show airs on JTBC every Friday and Saturday at 11:00pm KST.
Document 9: Sisters-in-Law (TV series): Sisters-in-Law () is a 2017 South Korean television series starring Hahm Eun-jung, Lee Joo-yeon, Kang Kyung-joon, and Cha Do-jin. The series airs daily on MBC from 20:55 to 21:30 (KST), however, starting episode 41, the series was moved to Monday and Tuesday 20:55 (KST) time-slot with 2 episodes back-to-back.
Document 10: Pots of Gold: Pots of Gold (; lit. I Summon You, Gold! or Gold, Appear!) is a 2013 South Korean television series starring Han Ji-hye, Yeon Jung-hoon, Lee Tae-sung, Lee Soo-kyung, Baek Jin-hee, Park Seo-joon and Kim Hyung-jun. It aired on MBC from April 6 to September 22, 2013 on Saturdays and Sundays at 20:40 for 50 episodes.
Document 11: 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 12: Sunye: Min Sun-ye (Korean: 민선예, born August 12, 1989), also known as Sunye or Sun (stylized as SunYe), is a South Korean missionary and former singer and actress (on hiatus). She is the former leader and main vocalist of the Wonder Girls.
Document 13: Shin So-yul: Shin So-yul (born Kim Jung-min on August 5, 1985) is a South Korean actress. Shin began acting in 2006, and appeared in supporting roles in films and television series such as "Hello My Love", "Jungle Fish 2", and "Penny Pinchers". But her breakthrough would come in 2012 with the popular cable dramedy "Reply 1997". In 2013, she received acting nominations from the Baeksang Arts Awards and the Grand Bell Awards for her risque role in romantic comedy film "My PS Partner", and became one of the hosts of talk show "Talk Club Actors". Shin played the leading role in the 2014 daily drama "Sweet Secret".
Document 14: Our Gap-soon: Our Gap-soon () is a 2016–2017 South Korean television series starring Kim So-eun and Song Jae-rim. This is the first time that a virtual couple from MBC's "We Got Married" co-stars as main cast in a serial drama on a national Korean television network. It aired on SBS every Saturdays to Sundays at 20:45 (KST) from August 27 to October 30, 2016, and then 2 episodes every Saturdays from November 5, 2016 to April 8, 2017. This change generated a rating increase that led to an 11-episode extension, making the series end with 61 episodes.
Document 15: 2 Days &amp; 1 Night: 2 Days & 1 Night (; also known as 1 Night 2 Days; abbreviated as 1N2D) is a South Korean reality-variety show that airs on KBS2 beginning August 5, 2007. "1 Night 2 Days" is one of the two segments (the other segment is "The Return of Superman") on "Happy Sunday", airing at 6:25pm KST once a week. The episodes are also uploaded with English subtitles weekly on YouTube through KBS's official channel. The show's current cast members are Kim Jong-min, Cha Tae-hyun, Kim Joon-ho, Defconn, Yoon Shi-yoon, and Jung Joon-young. The show's motto is "Real Wild Road Variety." Its main concept is to recommend various places of interest that viewers can visit in South Korea. Filming for every new trip is usually done 2 weeks prior to broadcast on KBS2.
ground_truth: KBS2