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 "Ferdinand Piëch"): Ferdinand Karl Piëch (born 17 April 1937) is an Austrian business magnate, engineer and executive who was the chairman of the supervisory board ("Aufsichtsratsvorsitzender") of Volkswagen Group until 25 April 2015.
Relevant evidence: Yes