Question:
Who was the chair of JASON in Nov, 1987?

Context:
 Gerald Joyce is the chair of JASON from Jan, 2011 to Jan, 2014. 
 Curtis Callan is the chair of JASON from Jan, 1990 to Jan, 1995. 
 William H. Press is the chair of JASON from Jan, 1995 to Jan, 1998. 
 Russell J. Hemley is the chair of JASON from Jan, 2014 to Dec, 2022. 
 William Happer is the chair of JASON from Jan, 1987 to Jan, 1990. 
 Roy Schwitters is the chair of JASON from Jan, 2005 to Jan, 2011. 
 Marvin Leonard Goldberger is the chair of JASON from Jan, 1960 to Jan, 1966.

Answer:
Question:
Who was the chair of JASON in Nov, 1987?

Context:
 Gerald Joyce is the chair of JASON from Jan, 2011 to Jan, 2014. 
 Curtis Callan is the chair of JASON from Jan, 1990 to Jan, 1995. 
 William H. Press is the chair of JASON from Jan, 1995 to Jan, 1998. 
 Russell J. Hemley is the chair of JASON from Jan, 2014 to Dec, 2022. 
 William Happer is the chair of JASON from Jan, 1987 to Jan, 1990. 
 Roy Schwitters is the chair of JASON from Jan, 2005 to Jan, 2011. 
 Marvin Leonard Goldberger is the chair of JASON from Jan, 1960 to Jan, 1966.

Answer:
user
William Happer
assistant
Question:
Who was the chair of JASON in Nov, 1987?

Context:
 Gerald Joyce is the chair of JASON from Jan, 2011 to Jan, 2014. 
 Curtis Callan is the chair of JASON from Jan, 1990 to Jan, 1995. 
 William H. Press is the chair of JASON from Jan, 1995 to Jan, 1998. 
 Russell J. Hemley is the chair of JASON from Jan, 2014 to Dec, 2022. 
 William Happer is the chair of JASON from Jan, 1987 to Jan, 1990. 
 Roy Schwitters is the chair of JASON from Jan, 2005 to Jan, 2011. 
 Marvin Leonard Goldberger is the chair of JASON from Jan, 1960 to Jan, 1966.

Answer:
user
William H. Press
Russell J. Hemley
Roy Schwitters
Gerald Joyce
Curtis Callan
Marvin Leonard Goldberger
assistant
Question:
Who was the chair of JASON in Nov, 1987?

Context:
 Gerald Joyce is the chair of JASON from Jan, 2011 to Jan, 2014. 
 Curtis Callan is the chair of JASON from Jan, 1990 to Jan, 1995. 
 William H. Press is the chair of JASON from Jan, 1995 to Jan, 1998. 
 Russell J. Hemley is the chair of JASON from Jan, 2014 to Dec, 2022. 
 William Happer is the chair of JASON from Jan, 1987 to Jan, 1990. 
 Roy Schwitters is the chair of JASON from Jan, 2005 to Jan, 2011. 
 Marvin Leonard Goldberger is the chair of JASON from Jan, 1960 to Jan, 1966.

Answer:
user
William Happer
assistant