Question: What is the debut album by the artist who released "Isobel"?

Context paragraphs:
Live at Shepherds Bush Empire (Björk DVD): Live at Shepherds Bush Empire is an official VHS released by Björk on 16 November 1998.  The live show was recorded at the end of the Post Tour on 27 February 1997, at a special fan-club only free concert at the Shepherds Bush Empire in London, England.  The majority of the songs are taken from the album "Post", as well as some from her album "Debut".  The track "I Go Humble" is a B-side, and appears on the "Isobel" single.

Ahl Al Esheg: Ahl Al Esheg is the second studio album by Lebanese pop singer-songwriter Diana Haddad, released by Stallions Records on February 10, 1997, continued along the lines established by her debut album "Saken".  The album is considered a big success for Haddad.  By that time, Haddad became one of the top selling Lebanese singers.  The album was heavily played in radio stations such as the Emirates radios.  She was awarded for the best female artist and the best album in the popular radio station Emirates FM.  Also, in late 1997, she received a nomination for the best Arabic female artist in the magazine Al Ryada Wal Shabab.  In terms of sales, "Ahl Al Esheg" is Haddad's third best selling studio album of all time behind "Ammanih" and her debut album "Saken" which were certified platinum by Stallions Records, her label.  The album was heavily promoted, released in several editions and was supported by several appearances in festivals across the Arab world.

Leona Lewis discography: British singer Leona Lewis has released five studio albums, sixteen singles, one video album, and sixteen music videos. Following winning the third series of British television talent show, "The X Factor" in 2006, Lewis released "A Moment Like This" in the United Kingdom and Ireland, which became the fastest selling single ever by a female artist in the UK.  Her follow-up single, "Bleeding Love" reached number one in 34 countries, and was the biggest-selling single of 2008 worldwide.  Lewis's first studio album, "Spirit" was released to follow the single; it became the fastest-selling debut album of all time in the UK and Ireland, and the first debut album by a British solo artist to debut at number one on the "Billboard" 200.  As of April 2012, "Spirit" is the 20th biggest-selling album of all time in the UK.  The next single, "Better in Time", was also successful worldwide, reaching the top ten in many countries.  Subsequent singles "Forgive Me" and "Run" were released across Europe and Australia; "Forgive Me" went on to moderate success, while "Run" became Lewis's third number one in the UK, and also reached the top spot in Austria and Ireland. " I Will Be" was released as the final single in North America.

B.o.B discography: The discography of B.o.B, an American hip hop recording artist and record producer, consists of four studio albums, one compilation album, three extended plays (EPs), sixteen solo mixtapes, thirty-five singles (including sixteen as a featured artist), eleven promotional singles, and sixty-two music videos. B.o.B released his debut album, "", on April 27, 2010.  Upon its release, he became the thirteenth male solo artist, to have a debut album arrive at number one on the US "Billboard" 200.  B.o.B quickly rose to fame, after his commercial debut single, "Nothin' on You".  The song reached at number one in both the United States and the United Kingdom.  He would later released his third single, "Airplanes", which also topped several music charts.  The album's fifth single, "Magic", became his third top ten hit on the US "Billboard" Hot 100.  B.o.B's debut studio album, which was preceded by two EPs and several mixtapes, was eventually Gold by the Recording Industry Association of America (RIAA).

Method Man discography: The discography of Method Man, an American hip hop recording artist, consists of five studio albums (including one collaborative album) and 34 singles (including 16 as a featured artist).  Method Man embarked on his music career in 1992, as a member of East Coast hip hop group Wu-Tang Clan.  After the Wu-Tang Clan released their highly acclaimed debut album "Enter the Wu-Tang (36 Chambers)" (1993), Method Man would be the first member to release his solo debut album.  In November 1994, he released "Tical", under Def Jam Recordings.  His debut album "Tical", features his biggest hit single to date, "I'll Be There for You/You're All I Need to Get By", which features American R&B singer Mary J. Blige and peaked at number three on the US "Billboard" Hot 100.  Method Man would then go on to collaborate with fellow East Coast rapper Redman, and subsequently form a duo together.

Debut (Björk album): Debut is the first international solo studio album by Icelandic recording artist Björk.  The album was released in July 1993 on One Little Indian and Elektra Records, and was produced by Björk in collaboration with artist Nellee Hooper.  Her first recording following the dissolution of her previous band the Sugarcubes, the album departed from the rock-oriented style of her previous work and instead drew on an eclectic variety of styles across electronic pop, house music, jazz and trip hop.

List of songs recorded by Whitney Houston: Whitney Houston recorded songs for six studio albums, four soundtrack albums and one Christmas album.  Her self-titled debut album, "Whitney Houston", was released on February 14, 1985.  It peaked at number one on the United States' "Billboard" 200 album chart, a position it held for 14 consecutive weeks. " Hold Me" was released as the lead single; it was written by Linda Creed in collaboration with the producer, Michael Masser.  The final three singles to be released from the album, "Saving All My Love for You", "How Will I Know" and "Greatest Love of All", all topped the US "Billboard" Hot 100 singles chart.  This marked the first time in the chart's history that a debut album, and a debut album released by a female artist, had generated three number one singles.

Kid Rock discography: Kid Rock has released 10 studio albums, one compilation album, two extended plays and one live album.  His debut album, "Grits Sandwiches for Breakfast", was released by Jive Records in 1990.  Following its release, Kid Rock was dropped by Jive and became an independent artist.  In 1992, he signed to a small Brooklyn based imprint called Continuum.  He was released from Continuum after two years and started his own Top Dog record label.  In 1997, he was signed to Atlantic Records.  He released his mainstream debut album, "Devil Without a Cause", on August 18, 1998.  The album would be certified diamond by the RIAA and go on to sell 11 million copies in the United States.  In 2000, he released "The History of Rock", a compilation of tracks from 1993's "The Polyfuze Method" and 1996's "Early Mornin Stoned Pimp".  "Cocky" was released in 2001 as the official follow up to "Devil Without a Cause" and sold five million copies.  That was followed by 2003's "Kid Rock" and 2006's "Live Trucker".  "Live Trucker" was Kid Rock's first live release selling over 600,000 copies, making it a gold album.  In 2007, Kid Rock made his comeback with "Rock n Roll Jesus", which was certified triple platinum.  "Born Free" was released in 2010 and went platinum.  Rebel Soul went gold in April 2013.  He has sold 25 million albums in the US as of December 2013, and over 35 million worldwide.  He released "First Kiss" in 2015, has of January 2016 it has sold 356,000 copies.  "Devil" still proved a strong catalog seller in 2015 selling over 100,000 copies.

Billy Ray Cyrus discography: Billy Ray Cyrus is an American country music singer, songwriter, actor and philanthropist, who helped make country music a worldwide phenomenon.  He has released 12 studio albums and 44 singles since 1992, and is best known for his number one single "Achy Breaky Heart", which became the first single ever to achieve triple Platinum status in Australia and was the best-selling single of 1992 in the same country.  Thanks to the video of the song, the linedance entered the mainstream, becoming a worldwide craze.  Cyrus, a multi-platinum selling recording artist, has scored a total of eight top-ten singles on the Billboard Country Songs chart.  His most successful album to date is the debut of "Some Gave All", which has been certified 9× multi-platinum in the United States and is the longest time spent by a debut artist at number one on the "Billboard" 200 (17 consecutive weeks) and most consecutive chart-topping weeks in the SoundScan era.  It is the only album (from any genre) in the SoundScan era to log 17 consecutive weeks at number one and is also the second-highest selling debut album by a male country artist after Garth Brooks'.  It ranked 43 weeks in the top 10, a total topped by only one country album in history, "Ropin' the Wind" by Garth Brooks.  "Some Gave All" was also the first debut album to enter at the number 1 in the Billboard Country Albums.  The album has also sold more than 20 million copies worldwide and is the best-selling debut album of all time for a solo male artist. " Some Gave All" was also the best-selling album of 1992 in the US with 4,832,000 copies.  In his career, he has released 35 charted singles, of which 16 have charted in the top 40.

Kelis discography: American singer and songwriter Kelis has released six studio albums, one live album, one compilation album, 38 singles (including 20 as a featured artist), and 29 music videos.  At age 16, she left her parents' home and was signed to Virgin Records four years later.  Her debut single, "Caught Out There", was released in 1999, reaching number 54 on the "Billboard" Hot 100 and number four in the United Kingdom.  Her debut album, "Kaleidoscope", was released in December 1999 and charted at number 144 on the "Billboard" 200, and has sold 249,000 copies in the country to date.  In the United Kingdom, it was certified gold and has sold over 167,000 copies.  Two more singles were released from the album, "Good Stuff" and "Get Along with You", and charted moderately well internationally.  In 2001, she released her second studio album, "Wanderland", which features similar "raw emotion and sophisticated musicianship" of her debut album.  The album was not released in the United States and the only single, "Young, Fresh n' New", charted poorly.

Supporting paragraphs: Live at Shepherds Bush Empire (Björk DVD) Debut (Björk album)
Answer: Debut