Season with salt, if needed, and pepper. Cover with plastic wrap and chill for at least 30 minutes before serving. Meanwhile, in large bowl, combine lettuce, tomatoes, cup cheese, bell pepper, corn, black beans, ollives and green onions and mix well. In separate bowl, combine dressing, chili powder and cumin and mix well. To serve, divide lettuce mixture onto 6 serving plates.
Drizzle salads with dressing and sprinkle with remaining cup cheese.
Chicken may be cooked, cooled, covered and refrigerated up to 1 day before serving. Reheat or serve chilled. Lettuce mixture and dressing may be prepared separately, covered and refrigerated up to 4 hours before serving. Cook the pasta according to package directions and drain. Place in a large bowl.