Question: Which singer is from Britain, Bill Steer or Adam Lazzara?

full_context: Document 1: Bill Steer: Bill Steer (born William Geoffrey Steer, 3 December 1969) is a British guitar player, and co-founder of the extreme metal band Carcass. He is considered a pioneer and an essential contributor to grindcore and death metal due to his involvement in Napalm Death and Carcass, two of the most important bands of those genres. Presently he plays with Gentlemans Pistols, the reactivated Carcass and appears as a live second guitarist for Angel Witch.
Document 2: Adam Levine: Adam Noah Levine (born March 18, 1979) is an American singer, songwriter, multi-instrumentalist, actor, and record producer. He is the lead singer for the pop rock band Maroon 5.
Document 3: Rick Steier: Rick Steier (born October 8, 1960 in Louisville, Kentucky) is a guitarist who has played in the bands Warrant, Kingdom Come, Wild Horses, and KrunK/Kottak. Drummer and fellow Louisville native James Kottak was also in all these bands with Rick Steier.
Document 4: Adam Lambert: Adam Mitchel Lambert (born January 29, 1982) is an American singer, songwriter and stage actor. Since 2009, he has sold over 3 million albums and 5 million singles worldwide.
Document 5: Taking Back Sunday: Taking Back Sunday is an American rock band from Long Island, New York. The band was formed by guitarist Eddie Reyes in 1999. The band's members are Adam Lazzara (lead vocals), John Nolan (lead guitar, keyboards, vocals), Eddie Reyes (rhythm guitar), Shaun Cooper (bass guitar) and Mark O'Connell (drums).
Document 6: Adam Latiff: Adam Latiff (born March 24, 1979) is a lead guitarist, rhythm guitarist, songwriter, and vocalist for a number bands, most notable for Puddle of Mudd. He started his career in bands such as Devereux and was a touring guitar player for Eve to Adam until December 2014. Latiff is the lead vocalist and lead guitarist for a national Nirvana tribute band called Heart Shaped Box, and is also the lead vocalist for Vanilla Women, which features former members of Shinedown Cold and Puddle of Mudd.
Document 7: Chuck Schuldiner: Charles Michael Schuldiner (May 13, 1967 – December 13, 2001) was an American singer, songwriter, and guitarist. He founded the pioneering band Death in 1983. Schuldiner is often referred to as "The Godfather of Death metal",
Document 8: Steven Stapleton: Steven Peter Stapleton (born 3 February 1957 in Finchley, London, England) is a British musician and the only constant member of experimental improv outfit Nurse with Wound. He is often seen as one of the pioneers of the British industrial music scene, alongside bands such as Throbbing Gristle, Coil and Psychic TV, although in his music he has explored a wide range of styles, including free-form improvisation, folk, and even Latin American dance rhythms.
Document 9: Bill Stevenson (musician): John William "Bill" Stevenson (born September 10, 1963) is an American musician and record producer. He is the drummer, main songwriter, and the only constant for the California punk rock group Descendents since its inception. In late December 1981 he played a few concerts with Black Flag because their drummer ROBO was detained in England after a tour there. He went on to record with Black Flag on several of their albums until 1985. After this he focused his attention on Descendents and played with them until Milo Aukerman left in 1987. After Milo had left, Bill and the others from Descendents, Karl Alvarez and Stephen Egerton, got singer Dave Smalley of Dag Nasty and formed All. All went on to have two more singers, Scott Reynolds (1989–1993) and Chad Price (1993–present). Aukerman came back to do the 1996 album "Everything Sucks", the 2004 album "Cool to Be You" and the newest, 2016's "Hypercaffium Spazzinate". All and Descendents continue to tour between Stevenson's and Aukerman's respective careers as a recording engineer and a biochemist.
Document 10: Michael Amott: Michael Amott (born 28 July 1969) is a Swedish guitarist, songwriter, founding member of the bands Arch Enemy, Spiritual Beggars, and Carnage, as well as a former member of the grindcore band Carcass. He is the older brother of Christopher Amott. Some major influences in his music have been Tony Iommi, Michael Schenker, Uli Jon Roth and Dave Mustaine.
Document 11: Jeffrey Walker: Jeffrey Walker (born 25 March 1969) is a bass guitarist, vocalist from Windle, St Helens, UK. He is best known for his work with death metal band Carcass for which he is also the main lyricist. Before Carcass, he played in the hardcore punk band Electro Hippies. After the demise of Carcass, he went on to form hard rock band Blackstar with two former Carcass bandmates. In some territories the band was called Blackstar Rising.
Document 12: Adam Lazzara: Adam Burbank Lazzara (born September 22, 1981) is an American singer, songwriter and musician. He is lead singer of the rock band Taking Back Sunday. Along with singing lead vocals, Lazzara plays guitar and occasionally the harmonica.
Document 13: Adam Duritz: Adam Fredric Duritz (born August 1, 1964) is an American musician, songwriter, record producer, and film producer. He is best known for his role as frontman and vocalist for the rock band Counting Crows, of which he is a founding member and principal composer of their catalog of songs.
Document 14: Firebird (band): Firebird was a British blues-rock power trio founded by Bill Steer in 1999. The music style, reminiscent of 1960s rock bands such as Cream, is a radical departure from Steer's previous work with grindcore pioneers Napalm Death and death metal band Carcass.
Document 15: List of Taking Back Sunday band members: Taking Back Sunday is an American rock band from Long Island, New York, formed in 1999 and featuring the current line-up of Adam Lazzara (lead vocals), John Nolan (lead guitar, keyboards, vocals), Eddie Reyes (rhythm guitar), Shaun Cooper (bass guitar), and Mark O'Connell (drums, percussion), accompanied on tour by Nathan Cogan (guitars, keyboards). The group was originally formed by Antonio Longo, John Nolan, Eddie Reyes, Jesse Lacey, and Steven DeJoseph. The band has gone through multiple line-up changes in their career spanning seven studio albums. There have been eleven official members of Taking Back Sunday, four touring members, and twenty-three session members.
ground_truth: Bill Steer