CREATE TABLE table_66278 ("Date Released" CLOB, "Polling institute" CLOB, "Social Democratic" CLOB, "Socialist" CLOB, "Green-Communist" CLOB, "People's Party" CLOB, "Left Bloc" CLOB, "Lead" CLOB)

What is the date released when the Left Bloc had 3.2%?
SELECT "Date Released" FROM table_66278 WHERE "Left Bloc" = '3.2%'
SELECT "Date Released" FROM "table_66278" WHERE "Left Bloc" = '3.2%'