Chopped Greek Salad With Chicken For Two

Name: Chopped Greek Salad With Chicken For Two
Ingredients: 1/2 teaspoon garlic powder; 1/4 cup crumbled feta cheese; 1/2 medium cucumber, peeled, seeded and chopped; 1/4 cup sliced ripe black olives; 1/4 cup finely chopped red onion; 1 1/2 teaspoons chopped fresh dill, or oregano or 1/2 teaspoon dried; 1/8 teaspoon salt; 1/8 teaspoon freshly ground pepper; 3 cups chopped romaine lettuce; 2 1/2 tablespoons red-wine vinegar; 1 1/4 cups chopped cooked chicken, (about 6 ounces; see Tip); 1 medium tomato, chopped; 1 tablespoon extra-virgin olive oil