Question: What is the nationality of the engineer who used to smoke Everest cigarettes while working with the Beatles on "Abbey Road"?

full_context: Document 1: George Martin: Sir George Henry Martin {'1': ", '2': ", '3': ", '4': "} (3 January 19268 March 2016) was an English record producer, arranger, composer, conductor, audio engineer, and musician. He was referred to as the "Fifth Beatle", including by Paul McCartney, in reference to his extensive involvement on each of the Beatles' original albums. Martin produced 30 number-one hit singles in the United Kingdom and 23 number-one hits in the United States.
Document 2: Everest (cigarette): Everest cigarette is a cigarette brand, manufactured, distributed and market by the Zimbabwe arm of British American Tobacco company. Everest cigarette is also produced in Belgium, the Netherlands and South Africa.<ref name="Tobacco/ Cigarette Ads of the 1960s"> </ref> During the recording of "Abbey Road", a 1969 album by The Beatles, audio engineer Geoff Emerick used to smoke Everests. The band liked the visual imagery of the packet and chose "Everest" as a working title for the album.
Document 3: Abbey Road: Abbey Road is the eleventh studio album by English rock band the Beatles, released on 26 September 1969 by Apple Records. The recording sessions for the album were the last in which all four Beatles participated. Although "Let It Be" was the final album that the Beatles completed before the band's dissolution in April 1970, most of the album had been recorded before the "Abbey Road" sessions began. A double A-side single from the album, "Something"/"Come Together", released in October, topped the "Billboard" chart in the US.
Document 4: Imperial Tobacco Company of Canada Ltd.: The Imperial Tobacco Company of Canada is a Canadian cigarette manufacturing company that is an indirect subsidiary of British American Tobacco. Once known for marketing Sweet Caporals in Canada, Imperial Tobacco is now known for its du Maurier and Peter Jackson brands of cigarettes.
Document 5: Abbey Road Studios: Abbey Road Studios (formerly known as EMI Studios) is a recording studio at 3 Abbey Road, St John's Wood, City of Westminster, London, England. It was established November 1931 by the Gramophone Company, a predecessor of British music company EMI, which owned it until Universal Music took control of part of EMI in 2012.
Document 6: Sturm-Zigaretten: Sturm-Zigaretten (Storm Cigarettes or Assault Cigarettes) was a brand of cigarettes sold to generate funds for the Nazi Party's Sturmabteilung (SA). SA member Otto Wagener had persuaded manufacturers Trommler, based in Dresden to produce Sturm cigarettes, with a share of the profits being given to the SA. The Sturm cigarette factory produced four brands in total: Trommler, Alarm, Sturm and Neue Front. Through this scheme, a typical SA unit earned hundreds of Reichsmarks each month. There is evidence that coercion was used to promote the sale of these cigarettes. SA members were expected to smoke Sturm cigarettes exclusively. The brand was also used to make the prospect of serving in the German army more appealing, with sets of cards being produced which depicted attractive army uniforms from history. The SA stopped manufacturing cigarettes in 1934.
Document 7: Geoff Emerick: Geoffrey Emerick (born 1946) is an English recording studio audio engineer. He worked with The Beatles on their albums "Revolver", "Sgt. Pepper's Lonely Hearts Club Band", "The Beatles" and "Abbey Road".
Document 8: Sgt. Pepper's Lonely Hearts Club Band: Sgt. Pepper's Lonely Hearts Club Band is the eighth studio album by English rock band the Beatles. Released on 26 May 1967 in the United Kingdom and 2 June 1967 in the United States, it was an immediate commercial and critical success, spending 27 weeks at the top of the UK albums chart and 15 weeks at number one in the US. On release, the album was lauded by the vast majority of critics for its innovations in music production, songwriting and graphic design, for bridging a cultural divide between popular music and legitimate art, and for providing a musical representation of its generation and the contemporary counterculture. It won four Grammy Awards in 1968, including Album of the Year, the first rock LP to receive this honour.
Document 9: Peter Mew: Peter Mew is a retired British music audio engineer. He worked at Abbey Road Studios, where he was the senior mastering engineer. He came to Abbey Road in 1965 as a tape operator and has since worked with many artists at the studio. Kevin Ayers of Soft Machine has called Mew "the best engineer I've ever worked with".
Document 10: Everest (Indian TV series): Everest is a Hindi language Indian telenovela which began airing on STAR Plus on 3 November 2014. Directed by Glenn Baretto and Ankush Mohla and touted as "the most ambitious project on Indian television", "Everest" was created by Ashutosh Gowariker and produced by Ashutosh Gowariker Productions Private Limited (AGPPL). The show was broadcast at the 10pm time slot. The music of the telenovela, which is Gowariker's television debut as a producer, was composed by A. R. Rahman. "Everest" is also the television debut of A. R. Rahman as a music composer and was shot in its entirety in India and Nepal. The shooting locations included Everest Base Camp (in Nepal) and the Dokriani Glacier (in India), which are located at a height of 17590 ft and 12000 ft above sea level, respectively.
Document 11: The Beatles in Hamburg: The Beatles members John Lennon, Paul McCartney, George Harrison, Stuart Sutcliffe and Pete Best regularly performed at different clubs in Hamburg, Northern Germany, during the period from August 1960 to December 1962; a chapter in the group's history which honed their performance skills, widened their reputation, and led to their first recording, which brought them to the attention of Brian Epstein.
Document 12: Vogue (cigarette): Vogue is an upmarket brand of cigarette available in several varieties, including regular, menthol and lights. Vogue cigarettes are marketed in both king size and super slim, which is about 100 mm long and thinner than a standard size cigarette. The brand is owned by British American Tobacco. Vogue cigarette brand belongs to a decorative or fashionable kind on the cigarettes market and is sold primarily to women. The Vogue cigarette's style was based on the 1950s couture captured by Henry Clarke. The distinctive design of the package is intended to symbolize elegance, class and refinement.
Document 13: The Beatles: The Beatles were an English rock band formed in Liverpool in 1960. With members John Lennon, Paul McCartney, George Harrison and Ringo Starr, they became widely regarded as the foremost and most influential act of the rock era. Rooted in skiffle, beat and 1950s rock and roll, the Beatles later experimented with several musical styles, ranging from pop ballads and Indian music to psychedelia and hard rock, often incorporating classical elements and unconventional recording techniques in innovative ways. In 1963 their enormous popularity first emerged as "Beatlemania", and as the group's music grew in sophistication in subsequent years, led by primary songwriters Lennon and McCartney, they came to be perceived as an embodiment of the ideals shared by the counterculture of the 1960s.
Document 14: Drum (tobacco): Drum is a brand of fine-cut handrolling tobacco, or shag. It was originally produced and distributed by the Dutch Douwe Egberts corporation. Douwe Egberts was purchased by the Sara Lee Corporation, which sold Drum to Imperial Tobacco, the current British producer. After Douwe Egberts discontinued Drum in the USA, Republic Tobacco of Glenview, Illinois, began making its own version of Drum for distribution in the United States, usually sold accompanied by a package of JOB rolling papers. Both versions are considered "halfzware" (Dutch for "half-strength") type tobaccos, although the flavors and cuts are not the same due to different methods of curing. Halfzware usually indicates a combination of dark Kentucky burley and bright Virginia tobaccos. Imperial also produces Drum in gold (blonde) and light (mild) varieties. Drum's main competitor in the US is Bali Shag rolling tobacco.
Document 15: Sobranie: The Sobranie (Russian: Собрание , "Gathering", "Collection", "Assembly") cigarette brand is one of the oldest luxury tobacco brands in the world. Sobranie of London was established in 1879 by the Redstone family, when cigarettes had just become fashionable in Europe. Several generations of the Redstone family blended this tobacco from a secret formula. The original cigarettes were handmade in the Russian tradition. Sobranie was the supplier of the Imperial Court of Russia, and of the royal courts of United Kingdom of Great Britain and Ireland, Spain, Romania, and Greece. In the early 1980s, the trademarks for Sobranie were sold to Gallaher Group, one of the English conglomerates, which continued to produce it, albeit with a modified formula, at various places in Europe. Gallaher was subsequently purchased by Japan Tobacco. House of Sobranie offers a range of distinctive and luxurious premium cigarettes.
ground_truth: English