Question: What year did the former front-woman of Warlock release her seventh solo album?

full_context: Document 1: Gail Ann Dorsey: Gail Ann Dorsey (born November 20, 1962) is an American musician. With a long career as a session musician, she is perhaps best known for her lengthy residency in David Bowie's band, from 1995 to Bowie's death in 2016. Aside from playing bass, she occasionally sang lead vocals on "Under Pressure" and dueted with Bowie on other songs, including "The London Boys", "Aladdin Sane (1913-1938-197?)", "I Dig Everything", accompanying Bowie on clarinet, and a cover of Laurie Anderson's "O Superman".
Document 2: Celebrate – The Night of the Warlock: Celebrate - The Night of the Warlock is an EP by German female hard rock singer Doro Pesch, released in 2008 through AFM Records. The EP preceded of a few months the album "Fear No Evil" and includes three versions of the song "Celebrate". In the single version of the song the chorus is provided by a group of Doro fans, while the other two contain in the chorus the vocal performances of Saxon's frontman Biff Byford and of many female heavy metal singers. The song itself is a new collaboration of Doro with the old Warlock producer Joey Balin and is meant to celebrate the 25th anniversary of Doro's career.
Document 3: Doro (musician): Dorothee Pesch (born 3 June 1964), popularly known as Doro Pesch or Doro, is a German heavy metal singer-songwriter, formerly front-woman of the heavy metal band Warlock. The name Doro has also been associated with the touring band accompanying the singer, whose members have continuously changed in more than twenty years of uninterrupted activity, the most stable presences being those of bassist Nick Douglas and drummer Johnny Dee.
Document 4: Wilder Shores: Wilder Shores is the eighth studio album by vocalist Belinda Carlisle. Unlike her previous releases, which have largely been characterized as pop music, it consists of a series of Sikh chants performed by Carlisle in Gurmukhi. It is her first studio album in ten years, since the release of "Voila" (2007), a collection of chansons Carlisle performed in French.
Document 5: Dorlis: Dorlis (born February 23, 1982) is the stage name for a Japanese musician from Okayama, Okayama Prefecture. She started out in classical guitar, but at about age 17 became a street musician and dropped out of high school. In time, she became a jazz and swing musician. Her music has at times been deemed nostalgic because of its Swing Revival style. This makes her work somewhat analogous to American swing revivalists like The Brian Setzer Orchestra or Big Bad Voodoo Daddy, though stylistically it is more similar to 1920s and 1930s swing jazz such as Django Reinhardt's. She is primarily a jazz singer, though also is a guitarist. She is signed with Avex Group's Rhythm Zone sublabel. She used to be connected with Victor Entertainment.
Document 6: Andi Deris: Andreas "Andi" Deris (born 18 August 1964) is a German singer and songwriter, best known as the lead vocalist of power metal band Helloween, and co-founder and former lead singer of German melodic metal band Pink Cream 69. He has an active solo career, as well as his own recording studio in Tenerife.
Document 7: Restless and Wild: Restless and Wild is the fourth studio album by German heavy metal band Accept, released in 1982 in Continental Europe and in 1983 in the US and UK. It was the first Accept album to not be recorded at Delta-Studio, the band moving to Dieter Dierks' studio in Stommeln. It is also the first Accept album in which Udo Dirkschneider sings every track, as well as the first in which manager Gaby Hauke ("Deaffy") gains credits for songwriting. Michael Wagener took engineering and mixing duties once again.
Document 8: Mikkey Dee: Micael Kiriakos Delaoglou (born 31 October 1963), known better by his stage name Mikkey Dee, is a Swedish rock musician. He is the current drummer for German rock band Scorpions since April 2016. Dee is best known for his time in British rock band Motörhead, with whom he played for from 1992 to 2015; the band disbanded following the death of frontman Lemmy. He has also played with King Diamond, Don Dokken, Helloween and Thin Lizzy.
Document 9: Calling the Wild: Calling the Wild is the seventh solo album by German hard rock singer Doro Pesch. It was released in 2000, in two different editions for the European market and the American one. For this release, Doro changed labels again, having signed contracts with SPV/Steamhammer for Germany and with Koch Records for the USA. "Calling the Wild" was the first album published in the US after the eponymous one in 1990. The US edition contains also remixed tracks taken from the previous Doro album "Love Me in Black".
Document 10: War Eternal: War Eternal is the ninth studio album by Swedish melodic death metal band Arch Enemy, which was released on June 9, 2014 by Century Media. It is the first Arch Enemy album in 13 years since Wages of Sin to feature a new line-up; Alissa White-Gluz took over on vocals after former long-time vocalist Angela Gossow stepped down from vocal duties to be the band's business manager. Additionally, ex-Arsis guitarist Nick Cordle replaced Christopher Amott in 2012. Cordle ultimately left the band just before their European tour and was replaced by former Nevermore Guitarist Jeff Loomis
Document 11: Angela Gossow: Angela Nathalie Gossow (born 5 November 1974) is a German vocalist, best known as the former lead vocalist for the Swedish melodic death metal band Arch Enemy. Her other previous bands include Asmodina and Mistress. She is considered to be one of the few successful female metal singers to use growling as her primary singing style.
Document 12: Dee Snider: Daniel "Dee" Snider (born March 15, 1955) is an American singer-songwriter, screenwriter, radio personality, and actor. Snider came to prominence in the early 1980s as lead singer of the heavy metal band Twisted Sister. He was ranked 83 in the "Hit Parader"<nowiki>'</nowiki>s Top 100 Metal Vocalists of All Time.
Document 13: Seven (Wolfstone album): Seven is the fifth studio album by the Scottish Celtic rock band Wolfstone. After the release of the band's previous album "The Half Tail" in 1996, numerous members left the band, and due to poor management, the band "split up" in 1998 after the band's label Green Linnet Records released an unrelated side-project as the Wolfstone album "This Strange Place" in early 1998. However, still contractually obliged to record another album for Green Linnet Records, the remaining members of the band regrouped chose to write and record the required album with full attention, rather than make a "half-hearted" album. Bassist Wayne Mackenzie said "we could have just gone through the motions and made a half-hearted attempt at an album, but we didn’t. The band and our fans mean far too much to us to do that." Titling the album "Seven" after where the album sits in the band's canonical album sequence, the album style was described as a particularly rock-edged variation of Celtic rock, although it does feature some mellower tracks. The album contains a mix between songs and instrumentals and diverse subject matter.
Document 14: Past in Different Ways: Past in Different Ways is the fourth solo album of vocalist Michael Kiske. It features acoustic renditions of songs written by Kiske during his time in Helloween and one new track. This came as a surprise to fans, considering Kiske's desire to leave the world of Helloween and heavy metal behind him.
Document 15: 9 (Cashmere Cat album): 9 (originally announced under the working title Wild Love) is the debut studio album by Norwegian DJ and record producer Cashmere Cat, released on 28 April 2017 through Interscope and Mad Love.
ground_truth: 2000