Question:
Who was the chair of German Communist Party in Aug, 2018?

Context:
 Bettina Jürgensen is the chair of German Communist Party from Jan, 2010 to Jan, 2013. 
 Patrik Köbele is the chair of German Communist Party from Jan, 2013 to Dec, 2022. 
 Heinz Stehr is the chair of German Communist Party from Jan, 1990 to Jan, 2010. 
 Herbert Mies is the chair of German Communist Party from Jan, 1973 to Jan, 1990.

Answer:
Question:
Who was the chair of German Communist Party in Aug, 2018?

Context:
 Bettina Jürgensen is the chair of German Communist Party from Jan, 2010 to Jan, 2013. 
 Patrik Köbele is the chair of German Communist Party from Jan, 2013 to Dec, 2022. 
 Heinz Stehr is the chair of German Communist Party from Jan, 1990 to Jan, 2010. 
 Herbert Mies is the chair of German Communist Party from Jan, 1973 to Jan, 1990.

Answer:
user
Patrik Köbele
assistant
Question:
Who was the chair of German Communist Party in Aug, 2018?

Context:
 Bettina Jürgensen is the chair of German Communist Party from Jan, 2010 to Jan, 2013. 
 Patrik Köbele is the chair of German Communist Party from Jan, 2013 to Dec, 2022. 
 Heinz Stehr is the chair of German Communist Party from Jan, 1990 to Jan, 2010. 
 Herbert Mies is the chair of German Communist Party from Jan, 1973 to Jan, 1990.

Answer:
user
Herbert Mies
Bettina Jürgensen
Heinz Stehr
assistant
Question:
Who was the chair of German Communist Party in Aug, 2018?

Context:
 Bettina Jürgensen is the chair of German Communist Party from Jan, 2010 to Jan, 2013. 
 Patrik Köbele is the chair of German Communist Party from Jan, 2013 to Dec, 2022. 
 Heinz Stehr is the chair of German Communist Party from Jan, 1990 to Jan, 2010. 
 Herbert Mies is the chair of German Communist Party from Jan, 1973 to Jan, 1990.

Answer:
user
Patrik Köbele
assistant