Question: Between Ray Wilson and Nick Carter, who has released more solo albums?

full_context: Document 1: Before the Backstreet Boys 1989–1993: Before The Backstreet Boys 1989–1993 is the unofficial, independently released demo album released by Backstreet Boys member Nick Carter. The songs were recorded by Nick from 1989 to 1993. The song "Hard to Get" was written by Mark J. Dye for Carter and his former singer partner, Malia Tuaileva. Tuaileva appears in a duet on the album and singing solo on the album with the track, "Mansion In Malibu".
Document 2: Nick Jonas: Nicholas Jerry Jonas (born September 16, 1992) is an American singer, songwriter, producer, and actor. Jonas began acting in theater at the age of seven, and released his debut single in 2002. He released his eponymous debut album in 2004 to little success, though it did catch the attention of Columbia Records. Jonas opted to form a band with his older brothers, Joe and Kevin, known as the Jonas Brothers. The group released their debut studio album "It's About Time" through Columbia Records. The record failed to achieve commercial success, thus the group parted ways with their label. Their self-titled second studio album was released through Hollywood Records in 2007, and became their breakthrough record. The band became prominent figures on the Disney Channel during this time, gaining a large following through the network. The band starred in the widely successful film "Camp Rock" (2008).
Document 3: She (Stiltskin album): She is the second album by the band Stiltskin now led by Ray Wilson. The project is sometimes known as Ray Wilson & Stiltskin. The music is a fusion of diverse influences including Daft Punk, Phil Lynott, Audioslave, Metallica, David Bowie and Radiohead.
Document 4: House of Carters: House of Carters (previously known as The Carters) is an American documentary/reality show on the E! cable network, and MuchMusic in Canada, about the lives of Backstreet Boy Nick Carter and his four siblings reuniting in Los Angeles (while Carter was gearing up for the Backstreet Boys 6th studio album "Unbreakable") as they try to revive their careers as well as reconnect as a family. The series premiered on October 2, 2006. Eight episodes were ordered. The show stars Nick, B.J., Aaron, Leslie and Angel Carter.
Document 5: Ricky Wilson (singer): Charles Richard "Ricky" Wilson (born 17 January 1978) is an English singer-songwriter, and the frontman of five-piece band Kaiser Chiefs. Before the formation of the band, in 2003, Wilson was a member of the band Runston Parva (later known as Parva), which consisted of members of Kaiser Chiefs. On 19 September 2013, Wilson was confirmed as a coach on "The Voice UK". He was the winning coach for both the fourth and fifth series of the show, being the only coach to win two years consecutively. Wilson left the show after three series, following the show's move to ITV.
Document 6: Nick Jonas discography: American singer Nick Jonas has released three studio albums, one extended play (EP), and nineteen singles (including four as a featured artist and six promotional singles). In September 2005, Jonas released his eponymous debut studio album "Nicholas Jonas". After serving as a member of the bands the Jonas Brothers and Nick Jonas & the Administration, Jonas returned to his solo career in 2012. On May 8, he released "Songs from How to Succeed in Business Without Really Trying", an EP containing songs performed on stage during his Broadway musical, "How to Succeed in Business Without Really Trying".
Document 7: Nick Carter (musician): Nickolas Gene "Nick" Carter (born January 28, 1980) is an American singer, songwriter, actor, and dancer. He is best known as a member of the pop group the Backstreet Boys. As of 2015, Carter has released three solo albums, "Now or Never", "I'm Taking Off" and "All American" during breaks between Backstreet Boys schedules, and a collaboration with Jordan Knight titled "Nick & Knight". He has made occasional television appearances and starred in his own reality shows, "House of Carters" and "I (Heart) Nick Carter". He gained fame in the mid 1990s and early 2000s as a teen idol. He is also the older brother of singer Aaron Carter and the late Leslie Carter.
Document 8: Just One Kiss (Nick Carter song): "Just One Kiss" is a song by American singer-songwriter, Nick Carter. It was written by Carter, Jason Ingram and Daniel Muckala, and produced for Carter's second studio album, "I'm Taking Off". "Just One Kiss" was released on January 28, 2011, as the album's first single, peaking at #12 on the Japan Hot 100 and #84 in Tokyo. The music video was directed by Danny Roew. The video contains scenes of Carter singing on the beach.
Document 9: Ray Wilson Live: Ray Wilson Live is a live album from Ray Wilson. It was released in February 2005.
Document 10: Nick Cannon: Nicholas Scott "Nick" Cannon (born October 8, 1980) is an American rapper, actor, comedian, director, screenwriter, film producer, entrepreneur, record producer, radio and television personality. On television, Cannon began as a teenager on "All That" before going on to host "The Nick Cannon Show", "Wild 'N Out", and "America's Got Talent". He acted in the films "Drumline", "Love Don't Cost a Thing", and "Roll Bounce". As a rapper he released his debut self-titled album in 2003 with the hit single "Gigolo", a collaboration with singer R. Kelly. In 2007 he played the role of the fictional footballer TJ Harper in the film "". In 2006, Cannon recorded the singles "Dime Piece" and "My Wife" for the planned album "Stages", which was never released. Cannon married American R&B/pop singer, Mariah Carey in 2008. He filed for divorce in December 2014, after six years of marriage. The divorce was finalized in 2016.
Document 11: Live and Acoustic (Ray Wilson album): Live and Acoustic is the first live CD release from Ray Wilson. It was originally released as "Unplugged" in late 2001 via his website, but was reissued in 2002 as "Live and Acoustic" by InsideOut Music. It was recorded in August 2001 during the Edinburgh Fringe Festival for which Ray played 13 sold out shows.
Document 12: Scottish music (1980–1989): During the 1980s, Scottish music featured post-punk bands exemplified by Simple Minds and Josef K, and bands like Runrig that remained closer to the Scottish dance music tradition. Folk rock or Celtic rock bands launched in the 1980s included The Waterboys and The Proclaimers. Among the folk singers of the time were Dick Gaughan and Bill Drummond, and Ewan MacColl who died in 1989.
Document 13: An Audience and Ray Wilson: An Audience and Ray Wilson is a live acoustic album by Ray Wilson released in 2006 prior to his reforming of Stiltskin. The recording comes from a live performance given by Ray Wilson on 18 May 2003 in the Agnieszka Osiecka studio of Polish Radio in Warsaw. According to the information on the sleeve, Ray Wilson "regards this performance as the best solo concert he has done to date. The concert is a fusion of stories, humour and music and is enjoyed by a very attentive and respectful Polish audience." The CD was made available exclusively through his website.
Document 14: Ray Wilson (musician): Raymond Wilson (born 8 September 1968) is a Scottish musician, best known as vocalist in the post-grunge band Stiltskin, and in Genesis from 1996 to 1998.
Document 15: Jordan Knight: Jordan Nathaniel Marcel Knight (born May 17, 1970) is an American singer-songwriter and actor, best known as the lead singer of the boy band New Kids on the Block (NKOTB), who rose to fame in the 1980s and 1990s. He is best known for his distinctive falsetto style of singing, influenced by The Stylistics. After New Kids on the Block split in 1994, he launched a solo career. Jordan's first solo album, released in 1999, and his latest solo album, released in 2011, reached the Top 50 on the US "Billboard" 200. As of 2011, he released four Top 40 singles; the most well known being "Give It to You" in 1999. Knight has released three solo albums, one remix album and one EP. On May 31, 2011, Knight released the studio album, "Unfinished". Knight has sold over 1.5 million records worldwide as a solo artist. In 2015, Boston City Council declared February 7 "Jordan Knight Day."
ground_truth: Nick Carter