Conversation so far:
What was one of George Brett's post-baseball activities?
Following his playing career, George Brett became a vice president of the Royals and has worked as a part-time coach, as a special instructor in spring training, and more.
In what year did George Brett become vice president of the Royals?
Was George Brett successful in his position as vice president of the Royals?
George Brett is in his 26th season as the Royals' Vice President-Baseball Operations, continuing his long-time association with the organization.
Were there other activities in George Brett's post-baseball career besides being vice president of the Royals?
George Brett has continued to raise money for amyotrophic lateral sclerosis (ALS). Brett started to raise money for the Keith Worthington Chapter during his playing career in the mid-1980s.
Is there anything else interesting about George Brett's post-baseball activities?
George Brett and his dog Charlie appeared in a PETA ad campaign, encouraging people not to leave their canine companions in the car during hot weather.

Question: In what year was the campaign?
Self-contained rewrite: In what year was the PETA ad campaign George Brett appeared in?