Question:
Who was the chair of Alternative Democratic Reform Party in Sep, 1987?

Context:
 John Bram is the chair of Alternative Democratic Reform Party from Nov, 1989 to Dec, 1991. 
 Fernand Kartheiser is the chair of Alternative Democratic Reform Party from Mar, 2012 to Dec, 2012. 
 Robert Mehlen is the chair of Alternative Democratic Reform Party from Dec, 2012 to Mar, 2013. 
 Gaston Gibéryen is the chair of Alternative Democratic Reform Party from Jul, 1987 to Nov, 1989.

Answer:
Question:
Who was the chair of Alternative Democratic Reform Party in Sep, 1987?

Context:
 John Bram is the chair of Alternative Democratic Reform Party from Nov, 1989 to Dec, 1991. 
 Fernand Kartheiser is the chair of Alternative Democratic Reform Party from Mar, 2012 to Dec, 2012. 
 Robert Mehlen is the chair of Alternative Democratic Reform Party from Dec, 2012 to Mar, 2013. 
 Gaston Gibéryen is the chair of Alternative Democratic Reform Party from Jul, 1987 to Nov, 1989.

Answer:
user
Gaston Gibéryen
assistant
Question:
Who was the chair of Alternative Democratic Reform Party in Sep, 1987?

Context:
 John Bram is the chair of Alternative Democratic Reform Party from Nov, 1989 to Dec, 1991. 
 Fernand Kartheiser is the chair of Alternative Democratic Reform Party from Mar, 2012 to Dec, 2012. 
 Robert Mehlen is the chair of Alternative Democratic Reform Party from Dec, 2012 to Mar, 2013. 
 Gaston Gibéryen is the chair of Alternative Democratic Reform Party from Jul, 1987 to Nov, 1989.

Answer:
user
Fernand Kartheiser
Robert Mehlen
John Bram
assistant
Question:
Who was the chair of Alternative Democratic Reform Party in Sep, 1987?

Context:
 John Bram is the chair of Alternative Democratic Reform Party from Nov, 1989 to Dec, 1991. 
 Fernand Kartheiser is the chair of Alternative Democratic Reform Party from Mar, 2012 to Dec, 2012. 
 Robert Mehlen is the chair of Alternative Democratic Reform Party from Dec, 2012 to Mar, 2013. 
 Gaston Gibéryen is the chair of Alternative Democratic Reform Party from Jul, 1987 to Nov, 1989.

Answer:
user
Gaston Gibéryen
assistant