Question: Which singer's 1998 album went on to become a UK chart topper?

full_context: Document 1: David Gray (musician): David Gray (born 13 June 1968) is an English singer-songwriter. Gray released his first studio album in 1993 and received worldwide attention after the release of "White Ladder" six years later. It was the first of three UK chart-toppers in six years for Gray, of which the latter two also made the Top 17 in the US. "White Ladder" became the fifth best-selling album of the 2000s in the UK. Gray has been nominated for four Brit Awards – twice for Best British Male.
Document 2: Colm Mac Con Iomaire: Colm Mac Con Iomaire is an Irish musician from Blackrock, County Dublin. He plays violin and sings vocals with rock group The Frames. Mac Con Iomaire has been involved with The Frames since 1990 and has been a touring member of The Swell Season since 2006 (albums "Once" and "Strict Joy"). He also played violin on David Gray's 1998 album "White Ladder" (on the track "Silver Lining").
Document 3: Dave Gahan discography: The discography of Dave Gahan, an English alternative music singer, consists of two studio albums, two live albums, one compilation album, six singles, and one video album. Gahan debuted in 1980 as lead singer of the electronic music band Depeche Mode (see Depeche Mode discography). The group achieved worldwide success, producing fourteen top ten singles in the United Kingdom and selling over 100 million records worldwide.
Document 4: David Gray (musician): David Gray (born 13 June 1968) is an English singer-songwriter. Gray released his first studio album in 1993 and received worldwide attention after the release of "White Ladder" six years later. It was the first of three UK chart-toppers in six years for Gray, of which the latter two also made the Top 17 in the US. "White Ladder" became the fifth best-selling album of the 2000s in the UK. Gray has been nominated for four Brit Awards – twice for Best British Male.
Document 5: Glen Hansard: Glen Hansard (born 21 April 1970) is an Irish songwriter, actor, vocalist and guitarist for Irish group The Frames, and one half of folk rock duo The Swell Season. He is also known for his acting, having appeared in the BAFTA-winning film "The Commitments", as well as starring in the film "Once", which earned him a number of major awards, including an Academy Award for Best Song.
Document 6: Iarla Ó Lionáird: Iarla Ó Lionáird (born 18 June 1964) is an Irish singer and record producer. He sings in the traditional sean-nós style. He was a member of the Afro Celt Sound System and is a member of the Irish-American supergroup The Gloaming. He has recorded several solo albums for Real World Records. He appeared in the 2015 film "Brooklyn" singing an a cappella version of the Irish folk song "Casadh an tSugain".
Document 7: David Bowie: David Robert Jones (8 January 1947 – 10 January 2016), known professionally as David Bowie ( ), was an English singer, songwriter and actor. He was a leading figure in popular music for over five decades, acclaimed by critics and other musicians for his innovative work. His career was marked by reinvention and visual presentation, his music and stagecraft significantly influencing popular music. During his lifetime, his record sales, estimated at 140 million albums worldwide, made him one of the world's best-selling music artists. In the UK, he was awarded nine platinum album certifications, eleven gold and eight silver, releasing eleven number-one albums. In the US, he received five platinum and nine gold certifications. He was inducted into the Rock and Roll Hall of Fame in 1996.
Document 8: Eamon McLoughlin: Eamon McLoughlin is a musician based in Nashville, Tennessee, USA. He is originally from London, UK. Primarily a Fiddle player, he has toured and recorded with Artists in the Country Music, Bluegrass, Americana fields. Currently working as Staff Fiddler for The Grand Ole Opry, and touring with Ashley Monroe. He also sings, plays mandolin, guitar, cello, viola, and can be seen performing regularly with The 50 Shades of Hay. He has received two Grammy nominations for Country Instrumental Performance as a founding member of the American bluegrass band The Greencards.
Document 9: Seán Smyth: Seán Smyth is the fiddle player for the traditional Irish music group Lúnasa. Born in Straide, County Mayo, and now living in Galway, Seán is an All-Ireland champion on both fiddle and whistle .
Document 10: The Gloaming (group): The Gloaming is a contemporary Irish music supergroup formed in Ireland in 2011 consisting of musicians Martin Hayes, Iarla Ó Lionáird, Caoimhín Ó Raghallaigh, Dennis Cahill and New York pianist/producer Thomas Bartlett aka Doveman.
Document 11: David Usher: David Usher (born April 24, 1966) is an English-born Canadian musician, best-selling author, keynote speaker and activist, known as the lead singer of the alternative rock band Moist.
Document 12: Sam Gray (musician): Sam Gray is a British singer-songwriter from Hull, England, who has composed songs for the actress Abi Phillips from the long-running British soap opera "Hollyoaks", and for "The Voice of Holland" winner Ben Saunders, on his platinum-selling album "If You Don't Know Me by Now".
Document 13: Dave Gahan: David "Dave" Gahan ( ; born David Callcott; 9 May 1962) is an English singer-songwriter, best known as the baritone lead singer of the electronic band Depeche Mode since their debut in 1980. He is also an accomplished solo artist, releasing albums in 2003 ("Paper Monsters") and 2007 ("Hourglass").
Document 14: Joe Doyle (musician): Joe Doyle (born May 8, 1977) is the bassist and backing singer for Irish rock band The Frames and The Swell Season. He has been a member of The Frames since 1996, appearing on six albums to date. In addition to appearing on Frames albums, he has also plays bass and contributes backing vocals to two Swell Season albums: the soundtrack to "Once" and "Strict Joy." He is currently touring as a member of the Swell Season, which also includes Glen Hansard (vocals/guitar), Marketa Irglova (vocals/piano), Graham Hopkins (drums/backing vocals), Rob Botchnik (lead guitar/backing vocals) and Colm Mac Con Iomaire (violin/backing vocals). Doyle originates from Allenwood, County Kildare, Ireland.
Document 15: Paolo Nutini discography: The discography of Paolo Nutini, a Scottish pop/rock singer, contains three studio albums, one live album, six extended plays, eight singles and ten music videos. Nutini's debut album, "These Streets", was released by Atlantic Records in the United Kingdom in July 2006. The album peaked at number three on the UK Albums Chart and has been certified five-times platinum by the British Phonographic Industry. The album also peaked within the top twenty on the Australian Album Chart, French Album Chart, Irish Albums Chart and in the Dutch Album Chart. Singles released from the album were: "Last Request", "Jenny Don't Be Hasty", "Rewind" and "New Shoes". "Last Request" was the most successful, reaching number five on the UK Singles Chart and number eight on the Irish Singles Chart. In May 2009, Nutini released his second album, "Sunny Side Up", which debuted at number one in the UK and in Ireland. It contained the singles: "Candy", "Coming Up Easy", "Pencil Full of Lead" and "10/10". "Sunny Side Up" has also been certified five-times platinum by the BPI and was the eighth biggest-selling album in the UK in 2009.
ground_truth: David Gray