CREATE TABLE table_64113 ("Date Released" TEXT, "Polling institute" TEXT, "Socialist" TEXT, "Social Democratic" TEXT, "Green-Communist" TEXT, "People's Party" TEXT, "Left Bloc" TEXT, "Lead" TEXT)

What is the people's party with a 30.0% social democratic?
SELECT "People's Party" FROM table_64113 WHERE "Social Democratic" = '30.0%'
SELECT "People's Party" FROM "table_64113" WHERE "Social Democratic" = '30.0%'