Question:
Who was the head of state of Estonia in Jan, 2007?

Context:
 Alar Karis is the head of the state of Estonia from Oct, 2021 to Dec, 2022. 
 Kersti Kaljulaid is the head of the state of Estonia from Oct, 2016 to Oct, 2021. 
 Arnold Rüütel is the head of the state of Estonia from Oct, 2001 to Oct, 2006. 
 Toomas Hendrik Ilves is the head of the state of Estonia from Oct, 2006 to Oct, 2016. 
 Lennart Meri is the head of the state of Estonia from Oct, 1992 to Oct, 2001.

Answer:
Question:
Who was the head of state of Estonia in Jan, 2007?

Context:
 Alar Karis is the head of the state of Estonia from Oct, 2021 to Dec, 2022. 
 Kersti Kaljulaid is the head of the state of Estonia from Oct, 2016 to Oct, 2021. 
 Arnold Rüütel is the head of the state of Estonia from Oct, 2001 to Oct, 2006. 
 Toomas Hendrik Ilves is the head of the state of Estonia from Oct, 2006 to Oct, 2016. 
 Lennart Meri is the head of the state of Estonia from Oct, 1992 to Oct, 2001.

Answer:
user
Toomas Hendrik Ilves
assistant
Question:
Who was the head of state of Estonia in Jan, 2007?

Context:
 Alar Karis is the head of the state of Estonia from Oct, 2021 to Dec, 2022. 
 Kersti Kaljulaid is the head of the state of Estonia from Oct, 2016 to Oct, 2021. 
 Arnold Rüütel is the head of the state of Estonia from Oct, 2001 to Oct, 2006. 
 Toomas Hendrik Ilves is the head of the state of Estonia from Oct, 2006 to Oct, 2016. 
 Lennart Meri is the head of the state of Estonia from Oct, 1992 to Oct, 2001.

Answer:
user
Kersti Kaljulaid
Arnold Rüütel
Alar Karis
Lennart Meri
assistant
Question:
Who was the head of state of Estonia in Jan, 2007?

Context:
 Alar Karis is the head of the state of Estonia from Oct, 2021 to Dec, 2022. 
 Kersti Kaljulaid is the head of the state of Estonia from Oct, 2016 to Oct, 2021. 
 Arnold Rüütel is the head of the state of Estonia from Oct, 2001 to Oct, 2006. 
 Toomas Hendrik Ilves is the head of the state of Estonia from Oct, 2006 to Oct, 2016. 
 Lennart Meri is the head of the state of Estonia from Oct, 1992 to Oct, 2001.

Answer:
user
Toomas Hendrik Ilves
assistant