Question:
Who was the head of state of Estonia in Jul, 1998?

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

Answer:
Question:
Who was the head of state of Estonia in Jul, 1998?

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

Answer:
user
Lennart Meri
assistant
Question:
Who was the head of state of Estonia in Jul, 1998?

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

Answer:
user
Toomas Hendrik Ilves
Arnold Rüütel
Alar Karis
Kersti Kaljulaid
assistant
Question:
Who was the head of state of Estonia in Jul, 1998?

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

Answer:
user
Lennart Meri
assistant