Question:
Who was the head of Russia in Nov, 1998?

Context:
 Yegor Gaidar is the head of the government of Russia from Jun, 1992 to Dec, 1992. 
 Boris Yeltsin is the head of the government of Russia from Nov, 1991 to Jun, 1992. 
 Mikhail Mishustin is the head of the government of Russia from Jan, 2020 to Dec, 2022. 
 Sergei Stepashin is the head of the government of Russia from May, 1999 to Aug, 1999. 
 Vladimir Putin is the head of the government of Russia from May, 2008 to May, 2012. 
 Viktor Chernomyrdin is the head of the government of Russia from Aug, 1998 to Sep, 1998. 
 Yevgeny Primakov is the head of the government of Russia from Sep, 1998 to May, 1999. 
 Dmitry Medvedev is the head of the government of Russia from May, 2012 to Jan, 2020. 
 Sergey Kiriyenko is the head of the government of Russia from Mar, 1998 to Aug, 1998. 
 Mikhail Kasyanov is the head of the government of Russia from May, 2000 to Feb, 2004. 
 Mikhail Fradkov is the head of the government of Russia from Mar, 2004 to Sep, 2007. 
 Viktor Khristenko is the head of the government of Russia from Feb, 2004 to Mar, 2004. 
 Viktor Zubkov is the head of the government of Russia from May, 2012 to May, 2012.

Answer:
Yevgeny Primakov