Question:
Who was the chair of Tennessee State University in Feb, 1993?

Context:
 Andrew P. Torrence is the chair of Tennessee State University from Jan, 1968 to Jan, 1974. 
 Frederick S. Humphries is the chair of Tennessee State University from Jan, 1975 to Jan, 1985. 
 James A. Hefner is the chair of Tennessee State University from Jan, 1991 to Jan, 2005. 
 William J. Hale is the chair of Tennessee State University from Jan, 1912 to Jan, 1943. 
 Otis L. Floyd is the chair of Tennessee State University from Jan, 1986 to Jan, 1990. 
 Glenda Glover is the chair of Tennessee State University from Jan, 2013 to Dec, 2022. 
 Roy P. Peterson is the chair of Tennessee State University from Jan, 1985 to Jan, 1986. 
 Walter S. Davis is the chair of Tennessee State University from Jan, 1943 to Jan, 1968. 
 Melvin N. Johnson is the chair of Tennessee State University from Jan, 2005 to Jan, 2010.

Answer:
James A. Hefner