For the green salad: Mix the celery, cucumber, goat cheese, lettuces and tomatoes in a large bowl.
For the French dressing: Combine the ketchup, vinegar, sour cream, mustard, Worcestershire, paprika, cayenne and lemon juice in a small bowl. Add the oil slowly while whisking constantly. Season with salt and pepper.
Toss the salad with the French dressing and serve.