Question:
Who was the chair of Social Democratic Party in the GDR in Mar, 1990?

Context:
 Stephan Hilsberg is the chair of Social Democratic Party in the GDR from Oct, 1989 to Feb, 1990. 
 Ibrahim Böhme is the chair of Social Democratic Party in the GDR from Feb, 1990 to Apr, 1990. 
 Markus Meckel is the chair of Social Democratic Party in the GDR from Apr, 1990 to Jun, 1990. 
 Wolfgang Thierse is the chair of Social Democratic Party in the GDR from Jun, 1990 to Sep, 1990.

Answer:
Question:
Who was the chair of Social Democratic Party in the GDR in Mar, 1990?

Context:
 Stephan Hilsberg is the chair of Social Democratic Party in the GDR from Oct, 1989 to Feb, 1990. 
 Ibrahim Böhme is the chair of Social Democratic Party in the GDR from Feb, 1990 to Apr, 1990. 
 Markus Meckel is the chair of Social Democratic Party in the GDR from Apr, 1990 to Jun, 1990. 
 Wolfgang Thierse is the chair of Social Democratic Party in the GDR from Jun, 1990 to Sep, 1990.

Answer:
user
Ibrahim Böhme
assistant
Question:
Who was the chair of Social Democratic Party in the GDR in Mar, 1990?

Context:
 Stephan Hilsberg is the chair of Social Democratic Party in the GDR from Oct, 1989 to Feb, 1990. 
 Ibrahim Böhme is the chair of Social Democratic Party in the GDR from Feb, 1990 to Apr, 1990. 
 Markus Meckel is the chair of Social Democratic Party in the GDR from Apr, 1990 to Jun, 1990. 
 Wolfgang Thierse is the chair of Social Democratic Party in the GDR from Jun, 1990 to Sep, 1990.

Answer:
user
Markus Meckel
Wolfgang Thierse
Stephan Hilsberg
assistant
Question:
Who was the chair of Social Democratic Party in the GDR in Mar, 1990?

Context:
 Stephan Hilsberg is the chair of Social Democratic Party in the GDR from Oct, 1989 to Feb, 1990. 
 Ibrahim Böhme is the chair of Social Democratic Party in the GDR from Feb, 1990 to Apr, 1990. 
 Markus Meckel is the chair of Social Democratic Party in the GDR from Apr, 1990 to Jun, 1990. 
 Wolfgang Thierse is the chair of Social Democratic Party in the GDR from Jun, 1990 to Sep, 1990.

Answer:
user
Ibrahim Böhme
assistant