CREATE TABLE table_1958 ("Date Released" TEXT, "Polling institute" TEXT, "Social Democratic" TEXT, "Socialist" TEXT, "Green-Communist" TEXT, "Peoples Party" TEXT, "Left Bloc" TEXT, "Lead" TEXT)

How many figures are given for the Socialists in the case where the Social Democrats received 42.2%?
SELECT COUNT("Socialist") FROM table_1958 WHERE "Social Democratic" = '42.2%'
SELECT COUNT("Socialist") FROM "table_1958" WHERE "Social Democratic" = '42.2%'