Question:
Who was the head of Freiburg im Breisgau in May, 2019?

Context:
 Rolf Böhme is the head of the government of Freiburg im Breisgau from Jan, 1982 to Jan, 2002. 
 Dieter Salomon is the head of the government of Freiburg im Breisgau from Jan, 2002 to Jan, 2018. 
 Martin Horn is the head of the government of Freiburg im Breisgau from Jul, 2018 to Dec, 2022. 
 Eugen Keidel is the head of the government of Freiburg im Breisgau from Jan, 1962 to Jan, 1982.

Answer:
Question:
Who was the head of Freiburg im Breisgau in May, 2019?

Context:
 Rolf Böhme is the head of the government of Freiburg im Breisgau from Jan, 1982 to Jan, 2002. 
 Dieter Salomon is the head of the government of Freiburg im Breisgau from Jan, 2002 to Jan, 2018. 
 Martin Horn is the head of the government of Freiburg im Breisgau from Jul, 2018 to Dec, 2022. 
 Eugen Keidel is the head of the government of Freiburg im Breisgau from Jan, 1962 to Jan, 1982.

Answer:
user
Martin Horn
assistant
Question:
Who was the head of Freiburg im Breisgau in May, 2019?

Context:
 Rolf Böhme is the head of the government of Freiburg im Breisgau from Jan, 1982 to Jan, 2002. 
 Dieter Salomon is the head of the government of Freiburg im Breisgau from Jan, 2002 to Jan, 2018. 
 Martin Horn is the head of the government of Freiburg im Breisgau from Jul, 2018 to Dec, 2022. 
 Eugen Keidel is the head of the government of Freiburg im Breisgau from Jan, 1962 to Jan, 1982.

Answer:
user
Eugen Keidel
Dieter Salomon
Rolf Böhme
assistant
Question:
Who was the head of Freiburg im Breisgau in May, 2019?

Context:
 Rolf Böhme is the head of the government of Freiburg im Breisgau from Jan, 1982 to Jan, 2002. 
 Dieter Salomon is the head of the government of Freiburg im Breisgau from Jan, 2002 to Jan, 2018. 
 Martin Horn is the head of the government of Freiburg im Breisgau from Jul, 2018 to Dec, 2022. 
 Eugen Keidel is the head of the government of Freiburg im Breisgau from Jan, 1962 to Jan, 1982.

Answer:
user
Martin Horn
assistant