Question:
Who was the head of Liège in Aug, 1985?

Context:
 Jean-Maurice Dehousse is the head of the government of Liège from Feb, 1995 to Sep, 1999. 
 Edouard Close is the head of the government of Liège from Jan, 1976 to Jan, 1990. 
 Willy Demeyer is the head of the government of Liège from Sep, 1999 to Sep, 1999. 
 Henri Schlitz is the head of the government of Liège from Jan, 1991 to Jan, 1995.

Answer:
Edouard Close