Question: 1991 Dakar Rally also known as the 1991 Paris–Dakar Rally was the 13th running of the Dakar Rally event won by 1981 world rally champion, Ari Vatanen, who since 2013 has been the President of  what union?
Sentence (from "Ari Vatanen"): Since 2013 Vatanen has been the President of the Estonian Autosport Union.
Relevant evidence: Yes