Question:
Which political party did Pavel Grudinin belong to in Apr, 1999?

Context:
 Pavel Grudinin is a member of the United Russia from Jan, 2007 to Jan, 2010. 
 Pavel Grudinin is a member of the independent politician from Jan, 2010 to Dec, 2022. 
 Pavel Grudinin is a member of the Unity from Jan, 1999 to Jan, 2002.

Answer:
Question:
Which political party did Pavel Grudinin belong to in Apr, 1999?

Context:
 Pavel Grudinin is a member of the United Russia from Jan, 2007 to Jan, 2010. 
 Pavel Grudinin is a member of the independent politician from Jan, 2010 to Dec, 2022. 
 Pavel Grudinin is a member of the Unity from Jan, 1999 to Jan, 2002.

Answer:
user
Unity
assistant
Question:
Which political party did Pavel Grudinin belong to in Apr, 1999?

Context:
 Pavel Grudinin is a member of the United Russia from Jan, 2007 to Jan, 2010. 
 Pavel Grudinin is a member of the independent politician from Jan, 2010 to Dec, 2022. 
 Pavel Grudinin is a member of the Unity from Jan, 1999 to Jan, 2002.

Answer:
user
United Russia
independent politician
assistant
Question:
Which political party did Pavel Grudinin belong to in Apr, 1999?

Context:
 Pavel Grudinin is a member of the United Russia from Jan, 2007 to Jan, 2010. 
 Pavel Grudinin is a member of the independent politician from Jan, 2010 to Dec, 2022. 
 Pavel Grudinin is a member of the Unity from Jan, 1999 to Jan, 2002.

Answer:
user
Unity
assistant