Question: When was the English heavy metal band formed in Newcastle which Tony Dolan was bassist and vocalist?

full_context: Document 1: Mercyful Fate: Mercyful Fate is a Danish heavy metal band from Copenhagen, formed in 1981 by vocalist King Diamond and guitarist Hank Shermann. Influenced by progressive rock and hard rock, with lyrics dealing with Satan and the occult, Mercyful Fate were part of the first wave of black metal in the early to mid-1980s. Many of the bands from this movement went on to influence later black metal musicians in the 1990s, particularly in Norway. Since the band's inception in 1981, Mercyful Fate have released seven studio albums, two extended plays and four compilations.
Document 2: Entombed (band): Entombed is a Swedish death metal band formed in 1987 under the name of Nihilist. Entombed began their career as an early pioneer of Scandinavian death metal which initially differed from its American counterpart by its distinct "buzzsaw" guitar tone. However, by the early 1990s their sound had broadened to include garage rock and other influences. This new style would eventually be described as death 'n' roll. Entombed have been influenced by bands such as Slayer, Black Sabbath, Celtic Frost, Autopsy, Repulsion, Kiss, The Misfits, Motörhead and Discharge. Along with Dismember, Grave and Unleashed, Entombed has been referred to as one of the "big four" of Swedish death metal.
Document 3: Ray Dolan: Ray Dolan was an Irish singer-songwriter and guitarist. He began his career in the early 1970 by playing folk clubs in Dublin with James Connolly as a duo, contributing to the success of the Universal Folk Centre at Parnell Square. In 1973, they were involved in the five-member band Heir. The two musicians also participated in the final Anne Byrne album "Come by the Hills", published in 1974, and containing a cover of the Dolan's song "Constantly Changing". He went solo that year, and recorded an album on EMI label in 1975, "Restless Night", but he remains mainly known for the Tír na nÓg version of his song "Hey Friend" from their eponymous album released by Chrysalis Records in 1971. The Irish duo contributed to his solo album with Leo O'Kelly as producer, and among other guests like Philip King, future Scullion founder with Sonny Condell. The same year, he did a brief screen appearance in an episode of the BBC Two documentary series "The Camera & The Song", dedicated to O'Kelly and Condell.
Document 4: Black Metal (Venom album): Black Metal is the second album by English heavy metal band Venom. It was released in November 1982, during the great flourishing of metal music in the UK that was the new wave of British heavy metal, and is considered a major influence on the thrash metal, death metal and black metal scenes that emerged in the 1980s and early 1990s.
Document 5: David Donato: David Tom Donato is an American singer known for his involvement in Black Sabbath. He recorded several demos with the band and rehearsed throughout 1984 and 1985. Contrary to reports, Donato was not fired after an interview with "Kerrang!" magazine as many have falsely reported. The band fell apart soon thereafter, with Tony Iommi forming an entirely new Black Sabbath the following year.
Document 6: Welcome to Hell: Welcome to Hell is the debut studio album by English heavy metal band Venom. It was released in December 1981, through Neat Records, at the culmination of the new wave of British heavy metal movement. The music of "Welcome to Hell" is often described as speed metal, but it had a great influence on the then-emerging thrash metal style, and crystallised the elements of what later became known as death metal and black metal.
Document 7: Tony Dolan: Tony "Demolition" Dolan (also known as the "Demolition Man") was born in 1964. He is an English musician and actor, most known as bassist and vocalist of heavy metal bands Atomkraft and Venom. He currently plays in Venom Inc., alongside fellow former Venom members Mantas and Abaddon.
Document 8: List of Venom band members: The following is a complete chronology of the various line-ups of British extreme metal band Venom, formed in 1979. The group evolved out of an older group, Guillotine, formed in 1978. No individual has consistently remained with the group throughout its entire career; vocalist and bassist Conrad Lant, a co-founding member, fronts the group today.
Document 9: Venom (band): Venom are an English heavy metal band formed in 1979 in Newcastle upon Tyne. Coming to prominence towards the end of the new wave of British heavy metal, Venom's first two albums—"Welcome to Hell" (1981) and "Black Metal" (1982)—are considered a major influence on thrash metal and extreme metal in general. Venom's second album proved influential enough that its title was used as the name of an extreme metal subgenre: black metal.
Document 10: Prime Evil (album): Prime Evil is the sixth studio album by heavy metal band Venom, and the first not to feature bassist and vocalist Conrad "Cronos" Lant. It is also the first in a series of three albums with former Atomkraft bassist and vocalist Tony Dolan as a band member and composer.
Document 11: New wave of British heavy metal: The new wave of British heavy metal (commonly abbreviated as NWOBHM) was a nationwide musical movement that started in the United Kingdom in the late 1970s and achieved international attention by the early 1980s. Journalist Geoff Barton coined the term in a May 1979 issue of the British music newspaper "Sounds" to describe the emergence of new heavy metal bands in the late 1970s, during the period of punk rock's decline and the dominance of new wave music.
Document 12: Darkthrone: Darkthrone is a Norwegian heavy metal band. It formed in 1986 as a death metal band under the name Black Death. In 1991, the band embraced a black metal style influenced by Bathory and Celtic Frost and became one of the leading bands in the Norwegian black metal scene. Their first three black metal albums—"A Blaze in the Northern Sky", "Under a Funeral Moon" and "Transilvanian Hunger" (sometimes dubbed the "Unholy Trinity") — are considered the peak of the band's career and to be among the most influential albums in the genre. For most of this time, Darkthrone has been a duo of Nocturno Culto and Fenriz, who have sought to remain outside the music mainstream. Since 2006, their work has strayed from the traditional black metal style and incorporated more elements of traditional heavy metal, speed metal and punk rock, being likened to Motörhead.
Document 13: Conrad Lant: Conrad Thomas Lant (born 15 January 1963), also known by the stage name of Cronos, is an English musician. He is the vocalist and bass player of the influential Thrash metal/black metal band Venom, from 1979 to 1989 and from 1994 to present.
Document 14: D. D. Verni: D.D. Verni (born Carlo Verni, April 12, 1961) is an American bassist, songwriter, and producer, best known as the founding member, bassist and songwriter of the band Overkill. Overkill released their first record in 1985 and with their contemporaries (Metallica, Slayer, Megadeth, Anthrax) helped define a new genre of music, "thrash metal". Overkill have released 18 full-length albums as well as two live albums and EPs, and several DVDs. They have done thousands of shows for millions of fans and toured extensively. They have appeared in many major music publications and have sold millions of records worldwide. Verni's signature bass sound is regarded as one of the most definable in heavy metal.
Document 15: Black metal: Black metal is an extreme subgenre of heavy metal music. Common traits include fast tempos, a shrieking vocal style, heavily distorted guitars played with tremolo picking, raw (lo-fi) recording, unconventional song structures, and an emphasis on atmosphere. Artists often appear in corpse paint and adopt pseudonyms.
ground_truth: 1979