EDMONTON — A house of nearly 17,000 showed up for Guaranteed Win Night against the Columbus Blue Jackets, as bad a team as there is in the National Hockey League. The problem was, it appeared the Edmonton Oilers arrived with the same guarantee in mind. In the end, you can debate whether it was a point gained or a point lost for Edmonton, after Kent Johnson’s overtime snipe gave Columbus a 3-2 victory. Amazingly, in his last game at Rogers Place, Johnson was scoring the Golden Goal for Team Canada at the World Juniors. “Chances that we didn’t capitalize on.…