Question:
Who was the head of Katowice in Sep, 2007?

Context:
 Piotr Uszok is the head of the government of Katowice from Nov, 1998 to Dec, 2014. 
 Adam Kocur is the head of the government of Katowice from May, 1928 to Sep, 1939. 
 Jerzy Śmiałek is the head of the government of Katowice from Jan, 1990 to Jan, 1994. 
 Henryk Dziewior is the head of the government of Katowice from Jul, 1994 to Nov, 1998.

Answer:
Question:
Who was the head of Katowice in Sep, 2007?

Context:
 Piotr Uszok is the head of the government of Katowice from Nov, 1998 to Dec, 2014. 
 Adam Kocur is the head of the government of Katowice from May, 1928 to Sep, 1939. 
 Jerzy Śmiałek is the head of the government of Katowice from Jan, 1990 to Jan, 1994. 
 Henryk Dziewior is the head of the government of Katowice from Jul, 1994 to Nov, 1998.

Answer:
user
Piotr Uszok
assistant
Question:
Who was the head of Katowice in Sep, 2007?

Context:
 Piotr Uszok is the head of the government of Katowice from Nov, 1998 to Dec, 2014. 
 Adam Kocur is the head of the government of Katowice from May, 1928 to Sep, 1939. 
 Jerzy Śmiałek is the head of the government of Katowice from Jan, 1990 to Jan, 1994. 
 Henryk Dziewior is the head of the government of Katowice from Jul, 1994 to Nov, 1998.

Answer:
user
Adam Kocur
Jerzy Śmiałek
Henryk Dziewior
assistant
Question:
Who was the head of Katowice in Sep, 2007?

Context:
 Piotr Uszok is the head of the government of Katowice from Nov, 1998 to Dec, 2014. 
 Adam Kocur is the head of the government of Katowice from May, 1928 to Sep, 1939. 
 Jerzy Śmiałek is the head of the government of Katowice from Jan, 1990 to Jan, 1994. 
 Henryk Dziewior is the head of the government of Katowice from Jul, 1994 to Nov, 1998.

Answer:
user
Piotr Uszok
assistant