Question:
Who was the chair of Intergovernmental Panel on Climate Change in Aug, 2015?

Context:
 Ismail El Gizouli is the chair of Intergovernmental Panel on Climate Change from Feb, 2015 to Oct, 2015. 
 Robert Watson is the chair of Intergovernmental Panel on Climate Change from Jan, 1997 to Jan, 2002. 
 Bert Bolin is the chair of Intergovernmental Panel on Climate Change from Jan, 1988 to Jan, 1997. 
 Rajendra K. Pachauri is the chair of Intergovernmental Panel on Climate Change from Jan, 2002 to Feb, 2015. 
 Hoesung Lee is the chair of Intergovernmental Panel on Climate Change from Oct, 2015 to Dec, 2022.

Answer:
Question:
Who was the chair of Intergovernmental Panel on Climate Change in Aug, 2015?

Context:
 Ismail El Gizouli is the chair of Intergovernmental Panel on Climate Change from Feb, 2015 to Oct, 2015. 
 Robert Watson is the chair of Intergovernmental Panel on Climate Change from Jan, 1997 to Jan, 2002. 
 Bert Bolin is the chair of Intergovernmental Panel on Climate Change from Jan, 1988 to Jan, 1997. 
 Rajendra K. Pachauri is the chair of Intergovernmental Panel on Climate Change from Jan, 2002 to Feb, 2015. 
 Hoesung Lee is the chair of Intergovernmental Panel on Climate Change from Oct, 2015 to Dec, 2022.

Answer:
user
Ismail El Gizouli
assistant
Question:
Who was the chair of Intergovernmental Panel on Climate Change in Aug, 2015?

Context:
 Ismail El Gizouli is the chair of Intergovernmental Panel on Climate Change from Feb, 2015 to Oct, 2015. 
 Robert Watson is the chair of Intergovernmental Panel on Climate Change from Jan, 1997 to Jan, 2002. 
 Bert Bolin is the chair of Intergovernmental Panel on Climate Change from Jan, 1988 to Jan, 1997. 
 Rajendra K. Pachauri is the chair of Intergovernmental Panel on Climate Change from Jan, 2002 to Feb, 2015. 
 Hoesung Lee is the chair of Intergovernmental Panel on Climate Change from Oct, 2015 to Dec, 2022.

Answer:
user
Rajendra K. Pachauri
Robert Watson
Bert Bolin
Hoesung Lee
assistant
Question:
Who was the chair of Intergovernmental Panel on Climate Change in Aug, 2015?

Context:
 Ismail El Gizouli is the chair of Intergovernmental Panel on Climate Change from Feb, 2015 to Oct, 2015. 
 Robert Watson is the chair of Intergovernmental Panel on Climate Change from Jan, 1997 to Jan, 2002. 
 Bert Bolin is the chair of Intergovernmental Panel on Climate Change from Jan, 1988 to Jan, 1997. 
 Rajendra K. Pachauri is the chair of Intergovernmental Panel on Climate Change from Jan, 2002 to Feb, 2015. 
 Hoesung Lee is the chair of Intergovernmental Panel on Climate Change from Oct, 2015 to Dec, 2022.

Answer:
user
Ismail El Gizouli
assistant