Question:
Who was the head of Turkey in Sep, 2015?

Context:
 Tansu Çiller is the head of the government of Turkey from Jun, 1993 to Mar, 1996. 
 Ahmet Davutoğlu is the head of the government of Turkey from Aug, 2014 to May, 2016. 
 Abdullah Gül is the head of the government of Turkey from Dec, 2002 to Mar, 2003. 
 Bülent Ecevit is the head of the government of Turkey from Jan, 1999 to Nov, 2002. 
 Binali Yıldırım is the head of the government of Turkey from May, 2016 to Jul, 2018.

Answer:
Question:
Who was the head of Turkey in Sep, 2015?

Context:
 Tansu Çiller is the head of the government of Turkey from Jun, 1993 to Mar, 1996. 
 Ahmet Davutoğlu is the head of the government of Turkey from Aug, 2014 to May, 2016. 
 Abdullah Gül is the head of the government of Turkey from Dec, 2002 to Mar, 2003. 
 Bülent Ecevit is the head of the government of Turkey from Jan, 1999 to Nov, 2002. 
 Binali Yıldırım is the head of the government of Turkey from May, 2016 to Jul, 2018.

Answer:
user
Ahmet Davutoğlu
assistant
Question:
Who was the head of Turkey in Sep, 2015?

Context:
 Tansu Çiller is the head of the government of Turkey from Jun, 1993 to Mar, 1996. 
 Ahmet Davutoğlu is the head of the government of Turkey from Aug, 2014 to May, 2016. 
 Abdullah Gül is the head of the government of Turkey from Dec, 2002 to Mar, 2003. 
 Bülent Ecevit is the head of the government of Turkey from Jan, 1999 to Nov, 2002. 
 Binali Yıldırım is the head of the government of Turkey from May, 2016 to Jul, 2018.

Answer:
user
Abdullah Gül
Bülent Ecevit
Tansu Çiller
Binali Yıldırım
assistant
Question:
Who was the head of Turkey in Sep, 2015?

Context:
 Tansu Çiller is the head of the government of Turkey from Jun, 1993 to Mar, 1996. 
 Ahmet Davutoğlu is the head of the government of Turkey from Aug, 2014 to May, 2016. 
 Abdullah Gül is the head of the government of Turkey from Dec, 2002 to Mar, 2003. 
 Bülent Ecevit is the head of the government of Turkey from Jan, 1999 to Nov, 2002. 
 Binali Yıldırım is the head of the government of Turkey from May, 2016 to Jul, 2018.

Answer:
user
Ahmet Davutoğlu
assistant