Question:
Who was the chair of Multilateral Investment Guarantee Agency in Dec, 2007?

Context:
 Hiroshi Matano is the chair of Multilateral Investment Guarantee Agency from Dec, 2019 to Dec, 2022. 
 Yukiko Omura is the chair of Multilateral Investment Guarantee Agency from Jan, 2004 to Jan, 2008. 
 Motomichi Ikawa is the chair of Multilateral Investment Guarantee Agency from Jan, 1998 to Jan, 2004.

Answer:
Question:
Who was the chair of Multilateral Investment Guarantee Agency in Dec, 2007?

Context:
 Hiroshi Matano is the chair of Multilateral Investment Guarantee Agency from Dec, 2019 to Dec, 2022. 
 Yukiko Omura is the chair of Multilateral Investment Guarantee Agency from Jan, 2004 to Jan, 2008. 
 Motomichi Ikawa is the chair of Multilateral Investment Guarantee Agency from Jan, 1998 to Jan, 2004.

Answer:
user
Yukiko Omura
assistant
Question:
Who was the chair of Multilateral Investment Guarantee Agency in Dec, 2007?

Context:
 Hiroshi Matano is the chair of Multilateral Investment Guarantee Agency from Dec, 2019 to Dec, 2022. 
 Yukiko Omura is the chair of Multilateral Investment Guarantee Agency from Jan, 2004 to Jan, 2008. 
 Motomichi Ikawa is the chair of Multilateral Investment Guarantee Agency from Jan, 1998 to Jan, 2004.

Answer:
user
Motomichi Ikawa
Hiroshi Matano
assistant
Question:
Who was the chair of Multilateral Investment Guarantee Agency in Dec, 2007?

Context:
 Hiroshi Matano is the chair of Multilateral Investment Guarantee Agency from Dec, 2019 to Dec, 2022. 
 Yukiko Omura is the chair of Multilateral Investment Guarantee Agency from Jan, 2004 to Jan, 2008. 
 Motomichi Ikawa is the chair of Multilateral Investment Guarantee Agency from Jan, 1998 to Jan, 2004.

Answer:
user
Yukiko Omura
assistant