Question:
Who was the head of Mainz in Apr, 2004?

Context:
 Michael Ebling is the head of the government of Mainz from Apr, 2012 to Dec, 2022. 
 Franz Stein is the head of the government of Mainz from Jan, 1949 to Jan, 1965. 
 Hermann-Hartmut Weyel is the head of the government of Mainz from Jan, 1987 to Jan, 1997. 
 Günter Beck is the head of the government of Mainz from Jan, 2012 to Apr, 2012. 
 Jens Beutel is the head of the government of Mainz from Jan, 1997 to Dec, 2011. 
 Jockel Fuchs is the head of the government of Mainz from Jan, 1965 to Jan, 1987.

Answer:
Question:
Who was the head of Mainz in Apr, 2004?

Context:
 Michael Ebling is the head of the government of Mainz from Apr, 2012 to Dec, 2022. 
 Franz Stein is the head of the government of Mainz from Jan, 1949 to Jan, 1965. 
 Hermann-Hartmut Weyel is the head of the government of Mainz from Jan, 1987 to Jan, 1997. 
 Günter Beck is the head of the government of Mainz from Jan, 2012 to Apr, 2012. 
 Jens Beutel is the head of the government of Mainz from Jan, 1997 to Dec, 2011. 
 Jockel Fuchs is the head of the government of Mainz from Jan, 1965 to Jan, 1987.

Answer:
user
Jens Beutel
assistant
Question:
Who was the head of Mainz in Apr, 2004?

Context:
 Michael Ebling is the head of the government of Mainz from Apr, 2012 to Dec, 2022. 
 Franz Stein is the head of the government of Mainz from Jan, 1949 to Jan, 1965. 
 Hermann-Hartmut Weyel is the head of the government of Mainz from Jan, 1987 to Jan, 1997. 
 Günter Beck is the head of the government of Mainz from Jan, 2012 to Apr, 2012. 
 Jens Beutel is the head of the government of Mainz from Jan, 1997 to Dec, 2011. 
 Jockel Fuchs is the head of the government of Mainz from Jan, 1965 to Jan, 1987.

Answer:
user
Hermann-Hartmut Weyel
Michael Ebling
Jockel Fuchs
Günter Beck
Franz Stein
assistant
Question:
Who was the head of Mainz in Apr, 2004?

Context:
 Michael Ebling is the head of the government of Mainz from Apr, 2012 to Dec, 2022. 
 Franz Stein is the head of the government of Mainz from Jan, 1949 to Jan, 1965. 
 Hermann-Hartmut Weyel is the head of the government of Mainz from Jan, 1987 to Jan, 1997. 
 Günter Beck is the head of the government of Mainz from Jan, 2012 to Apr, 2012. 
 Jens Beutel is the head of the government of Mainz from Jan, 1997 to Dec, 2011. 
 Jockel Fuchs is the head of the government of Mainz from Jan, 1965 to Jan, 1987.

Answer:
user
Jens Beutel
assistant