Question:
Who was the head of Petriș in Sep, 2005?

Context:
 Irina Onescu is the head of the government of Petriș from Jan, 2016 to Oct, 2020. 
 Ionel Gheorghe Berari is the head of the government of Petriș from Oct, 2020 to Dec, 2022. 
 Zian Burza-Han is the head of the government of Petriș from Jan, 2004 to Jan, 2016.

Answer:
Zian Burza-Han