CREATE TABLE table_14048 ("Polling firm" TEXT, "Dates" TEXT, "Prog. Cons." TEXT, "New Democratic" TEXT, "Liberal" TEXT)

According to the February 2009 poll by the Corporate Research Associates that reported 31% Liberal., what percentage aligned with the Prog. Cons. party?
SELECT "Prog. Cons." FROM table_14048 WHERE "Polling firm" = 'corporate research associates' AND "Liberal" = '31%' AND "Dates" = 'february 2009'
SELECT "Prog. Cons." FROM "table_14048" WHERE "Dates" = 'february 2009' AND "Liberal" = '31%' AND "Polling firm" = 'corporate research associates'