Question: What is the nationality of the engineer who used to smoke Everest cigarettes while working with the Beatles on "Abbey Road"?
Sentence (from "Everest (cigarette)"): <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.
Relevant evidence: Yes