Question:
Who was the head coach of the team France men's national volleyball team in Aug, 1987?

Context:
 Éric Daniel is the head coach of France men's national volleyball team from Jan, 1985 to Jan, 1988. 
 Vladimir Kondra is the head coach of France men's national volleyball team from Jan, 1995 to Jan, 1999. 
 Jean-Marc Buchel is the head coach of France men's national volleyball team from Jan, 1984 to Jan, 1985. 
 Marcel Mathoré is the head coach of France men's national volleyball team from Jan, 1947 to Jan, 1965. 
 Georges Derose is the head coach of France men's national volleyball team from Jan, 1968 to Jan, 1970. 
 Philippe Blain is the head coach of France men's national volleyball team from Jan, 2001 to Jan, 2012. 
 Nicolae Sotir is the head coach of France men's national volleyball team from Jan, 1965 to Jan, 1968. 
 René Verdier is the head coach of France men's national volleyball team from Jan, 1946 to Jan, 1947. 
 Georges Komatov is the head coach of France men's national volleyball team from Jan, 1983 to Sep, 1983. 
 Laurent Tillie is the head coach of France men's national volleyball team from Jan, 2012 to Dec, 2022. 
 Gérard Castan is the head coach of France men's national volleyball team from Jan, 1995 to Jan, 1995. 
 Jean-Michel Roche is the head coach of France men's national volleyball team from Jan, 1994 to Jan, 1995. 
 Jean-Marie Fabiani is the head coach of France men's national volleyball team from Jan, 1993 to Jan, 1994.

Answer:
Éric Daniel