Question:
Which political party did Jerzy Buzek belong to in Mar, 1993?

Context:
 Jerzy Buzek is a member of the Civic Platform from Jan, 2001 to Dec, 2022. 
 Jerzy Buzek is a member of the Solidarity Electoral Action from Jan, 1996 to Jan, 2001. 
 Jerzy Buzek is a member of the Solidarity from Jan, 1980 to Jan, 1996.

Answer:
Solidarity