Question:
Who was the head of Balassagyarmat in Dec, 2022?

Context:
 Gábor Csach is the head of the government of Balassagyarmat from Jan, 2019 to Dec, 2022. 
 István Lombos is the head of the government of Balassagyarmat from Jan, 2002 to Jan, 2006. 
 Lajos Medvácz is the head of the government of Balassagyarmat from Jan, 2006 to Jan, 2019.

Answer:
Gábor Csach