Question: For which Irish brewery, available in over 120 countries worldwide, did Mark Wnek create "the pure genius" line of advertising?
Sentence (from "Mark Wnek"): A prolific copywriter, he started his advertising career at Ogilvy & Mather in London, where he is credited for creating "the pure genius" line for draught Guinness and originated the Rutger Hauer campaign.
Relevant evidence: Yes