Salmon and Cucumber Boats

Name: Salmon and Cucumber Boats
Ingredients: 1 large orange; 6 ounces smoked salmon, cut into 1/2-inch squares; 1 large tomato (about 1/4 pound), diced; 2 green onions, thinly sliced; 2 tablespoons chopped fresh basil; 1 tablespoon olive oil; 1/2 teaspoon freshly ground black pepper; 1/4 teaspoon salt; 8 kirby (or Persian) cucumbers, peeled, halved lengthwise and seeded; 1 1/4 cup reduced-fat sour cream; 4 slices pumpernickel (or whole-wheat pitas)