Question: Which one did Roger Nilsson work with is a Swedish melodic death metal band?

Context paragraphs:
Swedish death metal: Swedish death metal is a death metal music scene developed in Sweden.  Many Swedish death metal bands are associated with the melodic death metal movement, thus giving Swedish death metal a different sound from other variations of death metal.  Unlike American death metal groups, the first Swedish bands were rooted in punk rock.  Although Norway is known for its quantity of black metal, Gothenburg in Sweden has a large melodic death metal scene, while Stockholm is known for its more raw death metal scene.

Arch Enemy discography: The following is a comprehensive discography of Arch Enemy, a Swedish melodic death metal band that formed in 1996.  Its members were in bands such as Carcass, Armageddon, Carnage, Mercyful Fate, Spiritual Beggars, and Eucharist.  It was founded by Carcass guitarist Michael Amott along with Johan Liiva, who were both originally from the influential death metal band Carnage.  The band has released ten studio albums, three live albums, three video albums and three EPs.  The band was originally fronted by Johan Liiva, who was replaced by German Angela Gossow as lead vocalist in 2000.  Gossow left the band in March 2014 and was replaced by Canadian Alissa White-Gluz, while remaining as the group's manager.

Slaughter of the Soul: Slaughter of the Soul is the fourth studio album by Swedish melodic death metal band At the Gates, released on November 14, 1995.  It was their last album before their eleven-year breakup from 1996 to 2007.  "Slaughter of the Soul" is considered a landmark in melodic death metal and played a major role in popularizing the Gothenburg scene, alongside "The Jester Race" by In Flames and "The Gallery" by Dark Tranquillity.  The album was recorded and mixed in Studio Fredman, early 1995.

Arch Enemy: Arch Enemy is a Swedish melodic death metal band, originally a supergroup, from Halmstad, formed in 1996.  Its members were in bands such as Carcass, Armageddon, Carnage, Mercyful Fate, Spiritual Beggars, Nevermore, and Eucharist.  It was founded by Carcass guitarist Michael Amott along with Johan Liiva, who were both originally from the influential death metal band Carnage.  The band has released ten studio albums, three live albums, three video albums and four EPs.  The band was originally fronted by Johan Liiva, who was replaced by German Angela Gossow as lead vocalist in 2000.  Gossow left the band in March 2014 and was replaced by Canadian Alissa White-Gluz, while remaining as the group's manager.

Roger Nilsson: Roger Nilsson (born 19 April 1973) a Swedish bass-player best known for his work with The Quill, Spiritual Beggars, Arch Enemy and Firebird.

Figure Number Five: Figure Number Five is the fifth full-length album released by the Swedish melodic death metal band Soilwork.  The record was released on 22 April 2003 through Nuclear Blast label.  On this release, the band introduces more alternative metal sound than their melodic death metal style.

Peter Wichers: Peter Wichers is best known as one of the founding members of Swedish melodic death metal band, Soilwork.  From 1995 until late 2005, when he announced his departure from the band, he was known as the lead guitarist and also a songwriter, especially on their "Stabbing the Drama" album., He rejoined Soilwork in 2008 and played on 2010s The Panic Broadcast and in June 2012 he quit Soilwork for the second time.  After leaving Soilwork, he filled in for Adam Dutkiewicz when he was injured on Killswitch Engage's European tour.  More recently, he has collaborated with singers from across the melodic death metal genre including Anders Fridén, former band mate Björn "Speed" Strid and John Bush (vocalist of Anthrax) to make a CD much in the same style as "Roadrunner United", entitled "Nuclear Blast All-Stars".  He also co-wrote Warrel Dane's solo record "Praises to the War Machine".

List of melodic death metal bands: This is a list of melodic death metal bands.  Melodic death metal is a heavy metal music style that combines elements from the new wave of British heavy metal (NWOBHM) with elements of death metal.  The term Gothenburg metal is often used to describe bands associated with or stylistically similar to the melodic death metal scene that originated around Gothenburg, Sweden.

Unanimated: Unanimated are a Swedish melodic death metal band.  They were founded in 1989 in Stockholm and dissolved in 1996.  They have 7 current complete members.  Largely inspired by Dismember, they made two melodic death metal albums.  In 1993, "In the Forest of the Dreaming Dead" was released on Pavement Music, a label which has since merged with Crash Music Inc..  In 1995 "Ancient God of Evil" was released on No Fashion Records, an independent Swedish label.  The band also contributed to the 1996 Slayer tribute "Slatanic Slaughter II" with their cover of "Dead Skin Mask".  Their music exemplifies the melodic Swedish sound and though primarily death metal, a black metal influence stands out.  Former members have gone on to contribute to various other projects, most notably Therion, Entombed, and Dismember.  In 2007, they reformed, and in April 2008, signed to Regain Records.  The band has released a new album, titled "In The Light Of Darkness", in April 2009.

Martin Bengtsson: Martin Bengtsson is a Swedish metal musician.  He was a key part of the influential Swedish melodic death metal scene.  He was a member of the melodic death metal band Arch Enemy between 1997 and 1998, and played bass guitar on their second album, Stigmata.  He was also a member of Arch Enemy guitarist Christopher Amott's side project Armageddon in 1997.

Supporting paragraphs: Roger Nilsson Arch Enemy
Answer: Arch Enemy