Question:
Who was the chair of Sweden Democrats in Aug, 1988?

Context:
 Jimmie Åkesson is the chair of Sweden Democrats from May, 2005 to Dec, 2022. 
 Leif Zeilon is the chair of Sweden Democrats from Jan, 1988 to Jan, 1989. 
 Mikael Jansson is the chair of Sweden Democrats from Mar, 1995 to May, 2005. 
 Anders Klarström is the chair of Sweden Democrats from Jan, 1992 to Mar, 1995.

Answer:
Leif Zeilon