cook rice according to package. Dump in a 9X13" cake pan when done cooking. Put can of corn on top of rice in pan. Place frozen chicken brests on rice. Season to taste. Open can of cream of mushroom and place on chicken by spoon fulls. Open cream of chicken and also place on chicken. Cover pan with cooking foil and place in a preheated oven. Cook for 1 hour and 15 minutes. Then the last 15 minutes place the cheese on top and let cook for 15 more minutes. Let stand for 5 minutes before searving.