Place Chuck Roast in the slow cooker.
Pour broth, beer, soup mix, garlic, sugar and oregano over the meat.
Place slow cooker on low 8 hours
Remove beef to a bowl and shred with two forks or a handmixer in a plastic bowl
Return beef to liquid
Split your hoagies down the middle, set on baking sheet and fill with beef mixture
Lay slices of provolone cheese on top of sandwiches and broil on low in oven until cheese is golden brown
Serve with remaining juices in the Crock Pot on the side for dipping