4 servings (serving size: 1 chicken breast half, 3/4 cup orzo, and 2 tablespoons olive mixture)
Cook orzo according to package directions. Drain; stir in 1/4 teaspoon salt and 1/8 teaspoon pepper.
Combine olives, tomato, parsley, cheese, 2 teaspoons fresh oregano, and 1/8 teaspoon salt.
Coat chicken with cooking spray; sprinkle with remaining 1/8 teaspoon salt, 1/8 teaspoon pepper, and 2 teaspoons fresh oregano.
Place a large nonstick skillet over medium-high heat. Add chicken; cook 6 minutes on each side. Transfer to a serving plate; keep warm.
Add water to pan; bring to a boil, scraping pan to loosen browned bits. Pour mixture over chicken. Top chicken with olive mixture, and serve with orzo.