Question: What's the date released when there was 9.7% of Green communist?
SQL: SELECT "Date Released" FROM "2-1886589-1" WHERE "Green-Communist" = '9.7%';

Question: What's the green communist when Euroteste/JN is the polling Institute?
SQL: SELECT "Green-Communist" FROM "2-1886589-1" WHERE "Polling institute" = 'Euroteste/JN';