text: During his country's lustration period, this leader was accused of having informed to the SB secret police with the pseudonym "Bolek.
full_question: During his country's lustration period, this leader was accused of having informed to the SB secret police with the pseudonym "Bolek." This leader often threatened to dissolve parliament after it was won in 1993 by a coalition of the Peasants' Party and the Democratic Left Alliance. A list of 21 demands, including the application of Convention 87, was made by a group that this man led after he climbed over a fence to join them. This man negotiated in the Round Table Talks with Wojciech Jaruzelski's regime. In response to the firing of Anna Walentynowicz, this electrician led Lenin Shipyard workers in protest to form a labor union in Gdansk. For 10 points, name this founder of Solidarity and first democratically elected President of Poland.
first_sentence: During his country's lustration period, this leader was accused of having informed to the SB secret police with the pseudonym "Bolek.
raw_answer: Lech Walesa (va-WEN-za)