CREATE TABLE table_55579 ("Party" TEXT, "Results 2004" TEXT, "CSA 5/28/09" TEXT, "Ifop 5/30/09" TEXT, "Ipsos 5/30/09" TEXT, "BVA 6/1/09" TEXT, "TNS-Sofres 6/2/09" TEXT, "OpinionWay 6/3/09" TEXT, "Ipsos 6/3/09" TEXT, "TNS-Sofres 6/4/09" TEXT, "CSA 6/4/09" TEXT, "Ifop 6/4/09" TEXT)

Who had an Ipsos of 27%?
SELECT "Party" FROM table_55579 WHERE "Ipsos 6/3/09" = '27%'
SELECT "Party" FROM "table_55579" WHERE "Ipsos 6/3/09" = '27%'