Question:
Who was the chair of Social Democratic Party in Apr, 2009?

Context:
 Lauri Läänemets is the chair of Social Democratic Party from Feb, 2022 to Dec, 2022. 
 Jevgeni Ossinovski is the chair of Social Democratic Party from Jan, 2015 to Jan, 2019. 
 Jüri Pihl is the chair of Social Democratic Party from Jan, 2009 to Jan, 2010.

Answer:
Question:
Who was the chair of Social Democratic Party in Apr, 2009?

Context:
 Lauri Läänemets is the chair of Social Democratic Party from Feb, 2022 to Dec, 2022. 
 Jevgeni Ossinovski is the chair of Social Democratic Party from Jan, 2015 to Jan, 2019. 
 Jüri Pihl is the chair of Social Democratic Party from Jan, 2009 to Jan, 2010.

Answer:
user
Jüri Pihl
assistant
Question:
Who was the chair of Social Democratic Party in Apr, 2009?

Context:
 Lauri Läänemets is the chair of Social Democratic Party from Feb, 2022 to Dec, 2022. 
 Jevgeni Ossinovski is the chair of Social Democratic Party from Jan, 2015 to Jan, 2019. 
 Jüri Pihl is the chair of Social Democratic Party from Jan, 2009 to Jan, 2010.

Answer:
user
Lauri Läänemets
Jevgeni Ossinovski
assistant
Question:
Who was the chair of Social Democratic Party in Apr, 2009?

Context:
 Lauri Läänemets is the chair of Social Democratic Party from Feb, 2022 to Dec, 2022. 
 Jevgeni Ossinovski is the chair of Social Democratic Party from Jan, 2015 to Jan, 2019. 
 Jüri Pihl is the chair of Social Democratic Party from Jan, 2009 to Jan, 2010.

Answer:
user
Jüri Pihl
assistant