Question: Which country Slavica Ecclestone's husband is from?
Sentence (from "Bernie Ecclestone"): His control of the sport, which grew from his pioneering the sale of television rights in the late 1970s, was chiefly financial, but under the terms of the Concorde Agreement he and his companies also managed the administration, setup and logistics of each Formula One Grand Prix, making him one of the richest men in the United Kingdom.
Relevant evidence: No