Question: In which year was this Austrian business magnate, engineer and executive whom Hans Dieter Pötsch succeeded as chairman of the supervisory board of Volkswagen born?
Sentence (from "Hans Dieter Pötsch"): Hans Dieter Pötsch (born 28 March 1951) is an Austrian businessman, the chairman of the executive board of Porsche SE, and chairman of the supervisory board of Volkswagen since 2015, when he succeeded Ferdinand Piëch.
Relevant evidence: Yes