Question:
Who was the chair of Romanian Handball Federation in Jun, 1971?

Context:
 Cristian Gațu is the chair of Romanian Handball Federation from Jan, 1996 to Jan, 2004. 
 Dumitru Costea is the chair of Romanian Handball Federation from Jan, 1968 to Jan, 1973. 
 Cornel Oțelea is the chair of Romanian Handball Federation from Jan, 1993 to Jan, 1995. 
 Valentin Samungi is the chair of Romanian Handball Federation from Jan, 1995 to Jan, 1996. 
 Alexandru Dedu is the chair of Romanian Handball Federation from Feb, 2014 to Dec, 2022.

Answer:
Dumitru Costea