Question: When is Vuslat Doğan Sabancı's father's birthday?
Sentence (from "Aydın Doğan"): Aydın Doğan (born 15 April 1936) is a Turkish billionaire media tycoon, business magnate, entrepreneur, philanthropist, and investor - best known as the founder of Doğan Holding, one of Turkey's largest conglomerates.
Relevant evidence: Yes