Question:
Who was the chair of Alternative Democratic Reform Party in Apr, 2012?

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

Answer:
Question:
Who was the chair of Alternative Democratic Reform Party in Apr, 2012?

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

Answer:
user
Fernand Kartheiser
assistant
Question:
Who was the chair of Alternative Democratic Reform Party in Apr, 2012?

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

Answer:
user
Robert Mehlen
Gaston Gibéryen
John Bram
assistant
Question:
Who was the chair of Alternative Democratic Reform Party in Apr, 2012?

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

Answer:
user
Fernand Kartheiser
assistant