Question: What position was held between 2013 and 2015 by a man placed under investigation by ruling political party of the People's Republic of China on June 26, 2015?
Sentence (from "Communist Party of Azerbaijan"): The Azerbaijan Communist Party (Azerbaijani: "Azərbaycan Kommunist Partiyası" ; Russian: Коммунистическая партия Азербайджана ) was the ruling political party in the Azerbaijan SSR, making it effectively a branch of the Communist Party of the Soviet Union.
Relevant evidence: No