CREATE TABLE table_64110 ("Date Released" CLOB, "Polling institute" CLOB, "Socialist" CLOB, "Social Democratic" CLOB, "Green-Communist" CLOB, "People's Party" CLOB, "Left Bloc" CLOB, "Lead" CLOB)

What is the green-communist with a 15.5% lead?
SELECT "Green-Communist" FROM table_64110 WHERE "Lead" = '15.5%'
SELECT "Green-Communist" FROM "table_64110" WHERE "Lead" = '15.5%'