CREATE TABLE table_33497 ("Date" TEXT, "Name" TEXT, "Party" TEXT, "Province" TEXT, "Details" TEXT)

Which province had a liberal party member on December 31, 2006?
SELECT "Province" FROM table_33497 WHERE "Party" = 'liberal' AND "Date" = 'december 31, 2006'
SELECT "Province" FROM "table_33497" WHERE "Date" = 'december 31, 2006' AND "Party" = 'liberal'