Question:
Who was the head of Schwerin in Jul, 2017?

Context:
 Rico Badenschier is the head of the government of Schwerin from Nov, 2016 to Dec, 2022. 
 Frank Grimm is the head of the government of Schwerin from Sep, 1977 to May, 1984. 
 Norbert Claussen is the head of the government of Schwerin from Sep, 2002 to Apr, 2008. 
 Wolfram Friedersdorff is the head of the government of Schwerin from May, 2008 to Oct, 2008. 
 Angelika Gramkow is the head of the government of Schwerin from Nov, 2008 to Oct, 2016. 
 Helmut Oder is the head of the government of Schwerin from May, 1984 to May, 1990.

Answer:
Question:
Who was the head of Schwerin in Jul, 2017?

Context:
 Rico Badenschier is the head of the government of Schwerin from Nov, 2016 to Dec, 2022. 
 Frank Grimm is the head of the government of Schwerin from Sep, 1977 to May, 1984. 
 Norbert Claussen is the head of the government of Schwerin from Sep, 2002 to Apr, 2008. 
 Wolfram Friedersdorff is the head of the government of Schwerin from May, 2008 to Oct, 2008. 
 Angelika Gramkow is the head of the government of Schwerin from Nov, 2008 to Oct, 2016. 
 Helmut Oder is the head of the government of Schwerin from May, 1984 to May, 1990.

Answer:
user
Rico Badenschier
assistant
Question:
Who was the head of Schwerin in Jul, 2017?

Context:
 Rico Badenschier is the head of the government of Schwerin from Nov, 2016 to Dec, 2022. 
 Frank Grimm is the head of the government of Schwerin from Sep, 1977 to May, 1984. 
 Norbert Claussen is the head of the government of Schwerin from Sep, 2002 to Apr, 2008. 
 Wolfram Friedersdorff is the head of the government of Schwerin from May, 2008 to Oct, 2008. 
 Angelika Gramkow is the head of the government of Schwerin from Nov, 2008 to Oct, 2016. 
 Helmut Oder is the head of the government of Schwerin from May, 1984 to May, 1990.

Answer:
user
Angelika Gramkow
Wolfram Friedersdorff
Frank Grimm
Norbert Claussen
Helmut Oder
assistant
Question:
Who was the head of Schwerin in Jul, 2017?

Context:
 Rico Badenschier is the head of the government of Schwerin from Nov, 2016 to Dec, 2022. 
 Frank Grimm is the head of the government of Schwerin from Sep, 1977 to May, 1984. 
 Norbert Claussen is the head of the government of Schwerin from Sep, 2002 to Apr, 2008. 
 Wolfram Friedersdorff is the head of the government of Schwerin from May, 2008 to Oct, 2008. 
 Angelika Gramkow is the head of the government of Schwerin from Nov, 2008 to Oct, 2016. 
 Helmut Oder is the head of the government of Schwerin from May, 1984 to May, 1990.

Answer:
user
Rico Badenschier
assistant