CREATE TABLE table_58620 ("Polling Firm" TEXT, "Polling Dates" TEXT, "Bob Chiarelli" TEXT, "Alex Munter" TEXT, "Larry O'Brien" TEXT, "Terry Kilrea  ( dropped out ) " TEXT)

What dates does Alex Munter have 25% and the polling firm of Decima?
SELECT "Polling Dates" FROM table_58620 WHERE "Alex Munter" = '25%' AND "Polling Firm" = 'decima'
SELECT "Polling Dates" FROM "table_58620" WHERE "Alex Munter" = '25%' AND "Polling Firm" = 'decima'