Question:
Who was the head of Mende in Apr, 1985?

Context:
 Jean-Jacques Delmas is the head of the government of Mende from Mar, 1983 to Jan, 2008. 
 Alain Bertrand is the head of the government of Mende from Mar, 2012 to Dec, 2022. 
 Henri Trémolet de Villers is the head of the government of Mende from Jan, 1971 to Jan, 1977. 
 Paulin Daudé-Gleize is the head of the government of Mende from Jan, 1919 to Jan, 1928.

Answer:
Jean-Jacques Delmas