CREATE TABLE table_65645 ("Date Released" TEXT, "Polling institute" TEXT, "Social Democratic" TEXT, "Socialist" TEXT, "Green-Communist" TEXT, "Democratic and Social Centre" TEXT, "Lead" TEXT)

What's the date released when there was 9.7% of Green communist?
SELECT "Date Released" FROM table_65645 WHERE "Green-Communist" = '9.7%'
SELECT "Date Released" FROM "table_65645" WHERE "Green-Communist" = '9.7%'