Question: What South Korean singer sang Simple Song Number 3 and won the Grammy?

Context paragraphs:
Simple Song Number 3: "Simple Song#3" or "Simple Song Number 3" is an original song sung by South Korean singer Sumi Jo.  The song was released as the lead single from the soundtrack album of 2015 film "Youth" written and composed by American composer David Lang.

Monster (R.E.M. album): Monster is the ninth studio album by the American alternative rock band R.E.M., released in September 1994 on Warner Bros.  Records.  Co-produced by the band and Scott Litt and recorded in four different recording studios, "Monster" was an intentional stylistic shift from the group's preceding albums, "Out of Time" (1991) and "Automatic for the People" (1992), consisting of loud, distorted guitar tones and simple song arrangements.  Singer Michael Stipe's lyrics on the album dealt with the nature of celebrity, which he sang while assuming various characters.

Bohemian (band): Bohemian (Korean: 보헤미안 , Japanese: ボヘミアン; stylized as BOHEMIAN), is a three-member South Korean pop/ballad group, that along with group endeavors, has recorded many soundtracks, abbreviated as OSTs, for South Korean films and Korean drama or k-drama for television in South Korea, as individual artists.  The group is composed of (Korean: 박상우 ), (Korean: 김용진 ), and Yoo Kyu Sang (Korean: 유규상 ).  Bohemian debuted in 2010 with members Park Sang Woo and Yoo Kyu Sang.  In 2012, they were joined by Kim Yong Jin.  The group is managed by HMG Entertainment, with recordings released by their distribution company, LOEN Entertainment.  Through a LOEN Entertainment agreement with Viki, a video streaming site, both Kim Yong Jin and Bohemian are listed as artists, and their music videos can be viewed.

Sweden in the Eurovision Song Contest 1965: After a year of absence, Sweden competed in the Eurovision Song Contest 1965 with the opera singer Ingvar Wixell, and the song "Absent Friend" (originally "Annorstädes vals") composed by Dag Wirén.  For the first time, one singer sang all the songs in the national final, and Ingvar was also the first male singer to represent Sweden.  It was the first ESC entry that was not performed in the country's native language; this led to the introduction of the language rule the following year.

Jumbo (Bee Gees song): "Jumbo" is a song released by the Bee Gees, written by Barry, Robin & Maurice Gibb.  It was released as a double A side with "The Singer Sang His Song" but featured as the lead track in some territories.

Sunmin: Sunmin (Hangul: 선민, "Katakana": ソンミン, born August 4, 1987) is a South Korean singer who speaks and sings in Korean, Japanese, and English.  She debuted in 2006, with the single "Keep Holding You," a collaboration with the Japanese R&B singer Toshinobu Kubota.  Her career was initially focused on the Japanese market, but her work became focused in South Korea from 2009 to 2010.  She also contributed to original soundtracks of South Korean television series "Master of Study" and "Gloria (2010 TV series)".  In 2010 to 2011, she was in the main South Korean musical production of "Jekyll & Hyde" as Lucy.  In 2012 to 2013, she reprised her role as Lucy in the South Korean national tour.  In spring 2013, Sunmin played Josephine in the South Korean production of "Arsène Lupin", the musical.

David Lang (composer): David Lang (born January 8, 1957) is an American composer living in New York City.  Co-founder of the musical collective Bang on a Can, he was awarded the 2008 Pulitzer Prize for Music for "The Little Match Girl Passion", which went on to win a 2010 Grammy Award for Best Small Ensemble Performance.  He was nominated for an Academy Award for "Simple Song #3" from the film "Youth".

Shin Jung-hwan: Shin Jung-hwan (born 10 May 1975, Seoul) is a South Korean singer and entertainer.  Known first for being part of K-pop groups Roo'ra and Country Kko Kko, he has since become a "comedian", or an entertainer, on various variety shows.  In November 2005, he encountered some controversy after he was caught gambling and he subsequently resigned from all his shows, including SBS's "Love Letter".  Five months later, however, he re-emerged on his previous shows and regained his popularity.  He became a regular on the show "Heroine 6", being part of the "Gag Team 3" with Kim Jong Min and singer Lee Jung, until it ended in 2007.  He was also a permanent member on KBS's "Sang Sang Plus", "Unforgettable Songs", part of KBS's "Happy Sunday" line-up, and "Radio Star", part of MBC's "Golden Fishery" line-up.

Sumi Jo: Sumi Jo (Hangul: 조수미 ; Hanja: 曺秀美 ; ] ; born 22 November 1962) is a Grammy Award-winning South Korean lyric coloratura soprano known for her interpretations of the bel canto repertoire.

The Singer Sang His Song: "The Singer Sang His Song" is a song written by Barry, Robin and Maurice Gibb and recorded by the English rock group Bee Gees, released in early 1968 as a single along with Jumbo.  In some countries the song was the B-side of Jumbo but in others they were promoted as a double A-side.

Supporting paragraphs: Simple Song Number 3 Sumi Jo
Answer: Sumi Jo