user: Question: According to the February 2009 poll by the Corporate Research Associates that reported 31% Liberal., what percentage aligned with the Prog. Cons. party?
Columns: ['Polling firm', 'Dates', 'Prog. Cons.', 'New Democratic', 'Liberal']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2009 Election Results', 'June 9, 2009', '24.54%', '45.24%', '27.20%']
SQL:

assistant: SELECT "Prog. Cons." FROM "Table" WHERE "Polling firm" = 'Corporate Research Associates' AND "Liberal" = '31%' AND "Dates" = 'February 2009';