Halibut with Marinara Sauce

2 pounds of halibut
1 - 16 ounce can of tomatoes
1/4 cup chopped green olives
2 tablespoons capers
1 tablespoon chopped parsley
1 teaspoon salt
1/2 teaspoon pepper
1/2 teaspoon oregano

Place fish in a baking dish. In a saucepan, combine all ingredients except fish. Bring to a boil and pour over fish. Bake 25-35 minutes at 350 degrees, or until fish is done. Fish should flake with a fork.