CREATE TABLE table_62917 ("Date Released" TEXT, "Institute" TEXT, "Social Democratic" TEXT, "Socialist" TEXT, "Green-Communist" TEXT, "People's Party" TEXT, "Lead" TEXT)

What was the Green-Communist percentage in the poll in which the Socialist Party earned 41.0%?
SELECT "Green-Communist" FROM table_62917 WHERE "Socialist" = '41.0%'
SELECT "Green-Communist" FROM "table_62917" WHERE "Socialist" = '41.0%'