High Quality Content by WIKIPEDIA articles! The Social Liberal Party (Partido Social Liberal) is a liberal party in Brazil. At the legislative elections, 6 October 2002, the party won 1 out of 513 seats in the Chamber of Deputies and no seats in the Senate. In 2006 didn`t win seats in the Chamber of Deputies and in the Senate. In 2010, the party won 1 seat in the Chamber of Deputies and no seats in the Senate.