Question:
Who was the chair of Civic Democratic Alliance in Jan, 1990?

Context:
 Jiří Skalický is the chair of Civic Democratic Alliance from Jan, 1997 to Jan, 1998. 
 Daniel Kroupa is the chair of Civic Democratic Alliance from Jan, 1998 to Jan, 2001. 
 Pavel Bratinka is the chair of Civic Democratic Alliance from Jan, 1990 to Jan, 1992. 
 Michael Žantovský is the chair of Civic Democratic Alliance from Jan, 2001 to Jan, 2002. 
 Jan Kalvoda is the chair of Civic Democratic Alliance from Jan, 1992 to Jan, 1997.

Answer:
Question:
Who was the chair of Civic Democratic Alliance in Jan, 1990?

Context:
 Jiří Skalický is the chair of Civic Democratic Alliance from Jan, 1997 to Jan, 1998. 
 Daniel Kroupa is the chair of Civic Democratic Alliance from Jan, 1998 to Jan, 2001. 
 Pavel Bratinka is the chair of Civic Democratic Alliance from Jan, 1990 to Jan, 1992. 
 Michael Žantovský is the chair of Civic Democratic Alliance from Jan, 2001 to Jan, 2002. 
 Jan Kalvoda is the chair of Civic Democratic Alliance from Jan, 1992 to Jan, 1997.

Answer:
user
Pavel Bratinka
assistant
Question:
Who was the chair of Civic Democratic Alliance in Jan, 1990?

Context:
 Jiří Skalický is the chair of Civic Democratic Alliance from Jan, 1997 to Jan, 1998. 
 Daniel Kroupa is the chair of Civic Democratic Alliance from Jan, 1998 to Jan, 2001. 
 Pavel Bratinka is the chair of Civic Democratic Alliance from Jan, 1990 to Jan, 1992. 
 Michael Žantovský is the chair of Civic Democratic Alliance from Jan, 2001 to Jan, 2002. 
 Jan Kalvoda is the chair of Civic Democratic Alliance from Jan, 1992 to Jan, 1997.

Answer:
user
Michael Žantovský
Jiří Skalický
Daniel Kroupa
Jan Kalvoda
assistant
Question:
Who was the chair of Civic Democratic Alliance in Jan, 1990?

Context:
 Jiří Skalický is the chair of Civic Democratic Alliance from Jan, 1997 to Jan, 1998. 
 Daniel Kroupa is the chair of Civic Democratic Alliance from Jan, 1998 to Jan, 2001. 
 Pavel Bratinka is the chair of Civic Democratic Alliance from Jan, 1990 to Jan, 1992. 
 Michael Žantovský is the chair of Civic Democratic Alliance from Jan, 2001 to Jan, 2002. 
 Jan Kalvoda is the chair of Civic Democratic Alliance from Jan, 1992 to Jan, 1997.

Answer:
user
Pavel Bratinka
assistant