Question:  JJ Project was formed by JYP Entertainment and debuted as a part of a seven member group whose first EP peak at number one on which "Billboards" chart?

full_context: Document 1: Verse 2: Verse 2 is the first extended play by South Korean male duo JJ Project. It was released on July 31, 2017 under JYP Entertainment and incorporates a variety of genres like pop, hip-hop and rock. The album contains eight tracks, two out of the eight songs are only available on the physical release. The track "Tomorrow, Today" was chosen as the lead single for the promotional cycle.
Document 2: 2PM: 2PM (Hangul: 투피엠 ) is a South Korean boy band formed by JYP Entertainment. The current members are Jun. K (formerly known as Junsu), Nichkhun, Taecyeon, Wooyoung, Junho and Chansung. Former leader Jay Park officially left the group in early 2010.
Document 3: Got Love (EP): Got Love (stylized as GOT♡) is the second extended play by South Korean boy band Got7. It was released on June 23, 2014 by JYP Entertainment. The song "A" was used to promote the EP.
Document 4: 2PM: 2PM (Hangul: 투피엠 ) is a South Korean boy band formed by JYP Entertainment. The current members are Jun. K (formerly known as Junsu), Nichkhun, Taecyeon, Wooyoung, Junho and Chansung. Former leader Jay Park officially left the group in early 2010.
Document 5: Seventeen discography: This is the discography of South Korean boy group Seventeen. Seventeen (Hangul: 세븐틴), also stylized as SEVENTEEN or SVT, is a South Korean boy group formed by Pledis Entertainment in 2015. They have released one album and four EPs.
Document 6: Park Jin-young (entertainer, born 1994): Park Jin-young (born September 22, 1994), referred to as Jinyoung (formerly as Jr.), is a South Korean singer, songwriter, actor, dancer, and choreographer. He is a member of the boy group Got7 and duo JJ Project. Park made his acting debut in the drama "Dream High 2" (2012) followed by supporting roles in "When a Man Falls in Love" (2013) and "Beloved Eun-dong" (2015). He made his film debut in the independent film "A Stray Goat" (2016).
Document 7: JJ Project: JJ Project (Korean: 제이제이 프로젝트 ) is a South Korean pop duo, consisting of JB and Jinyoung. They were formed by JYP Entertainment and released their first single "Bounce" in May 2012. They debuted as a part of Got7 in January 2014.
Document 8: Got7: Got7 () is a South Korean boy group formed by JYP Entertainment. The group is composed of seven members: JB, Mark, Jackson, Jinyoung, Youngjae, BamBam, and Yugyeom. Got7 debuted in January 2014 with the release of their first EP "Got It?", which peaked at number two on the Gaon Album Chart and number one on "Billboard's" World Albums Chart. The group gained attention for their stage performances, which include elements of martial arts tricking.
Document 9: Twice (band): Twice (; Japanese: トゥワイス) is a South Korean girl group formed by JYP Entertainment through the 2015 reality show "Sixteen". The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu. The group debuted on October 20, 2015 with the extended play (EP) "The Story Begins".
Document 10: JB (South Korean singer): Lim Jae-beom (Hangul: 임재범; born January 6, 1994) commonly known by his stage name JB (Hangul: 제이비), is a South Korean singer, songwriter and actor. He is a member of South Korean boyband Got7, and part of the duo JJ Project. JB made his small-screen debut through the drama series "Dream High 2" in 2012. He has also starred in MBC's "When a Man Falls in Love" as Seo-Min Joon.
Document 11: Jackson Wang: Jackson Wang (traditional Chinese: 王嘉爾; born 28 March 1994) is a Hong Kong rapper, singer, and dancer based in South Korea. He is a member of the South Korean boy group GOT7 under JYP Entertainment, and is known for his appearances on Korean reality television, notably "Roommate". Jackson speaks fluent English, Cantonese, Mandarin, Shanghainese, Japanese and Korean.
Document 12: JJCC: JJCC (pronounced J-J-C-C, Hangul: 제이제이씨씨) is a six-member South Korean hip-hop boy group formed under the management of Jackie Chan Group Korea. The group debuted in March 20, 2014 with five members: E.co, Eddy, SimBa, San-Cheong, and Prince Mak who performed live on MNet M Countdown. Their debut single entitled "At First" was then released on March 24.
Document 13: Got7 discography: Got7, a hip hop boy group based in South Korea, have released three studio albums, six EPs, thirteen singles, and two box sets. Formed by JYP Entertainment in 2013, Got7 made their debut in January 2014 with the EP "Got It?", which debuted at number two on the Gaon Albums Chart. The EP's lead single "Girls Girls Girls" peaked at number 21 on the Gaon Singles Chart. In October 2014, Got7 debuted in Japan with their first Japanese-language release "Around the World", peaking at number three on the Oricon's singles charts. A month later, Got7 returned to Korea to release their first full-length album "Identify", and topped album charts.
Document 14: Jung Joon-young discography: Jung Joon-young (born February 21, 1989) is a South Korean singer-songwriter, radio DJ, host, actor, and television personality. He first gained recognition in Mnet's reality television talent show, "Superstar K4" (2012), where he finished third place. In 2013, he became the youngest member of KBS's variety show "2 Days & 1 Night" Season 3. Since 2015, Jung is the lead vocalist of a rock band, JJY Band, which changed their name to Drug Restaurant since May 20, 2016.
Document 15: Jung Joon-young: Jung Joon-young (born February 21, 1989) is a South Korean singer-songwriter, radio DJ, host, actor, and television personality. He first gained recognition in Mnet's reality television talent show, "Superstar K4" (2012), where he finished third place. In 2013, he became the youngest member of KBS's variety show "2 Days & 1 Night" Season 3. He hosted his own radio program titled MBC FM's "Jung Joon-young's Simsimtapa" (2014) and made his big screen debut in "Love Forecast" (2015). Since 2015, Jung is the lead vocalist of rock band Drug Restaurant, previously known as JJY Band, releasing their first album "Escape to Hangover" in May 2015
ground_truth: World Albums Chart