Question: What are the policies and theories of this Turkish army officer and revolutionary, whose mansion is called Yalova Atatürk Mansion, known as?
Sentence (from "Necabettin Ergenekon"): Ergenekon was suspected by later-assassinated state prosecutor Cevat Yurdakul as being behind a string of mysterious deaths in the 70s, but no legal action was ever taken.
Relevant evidence: No