3 corn chicken salad with smoky dressing from Recipes

extra-virgin olive oil, sherry vinegar, shallot, minced, sweet or hot smoked spanish paprika, kosher salt, dried oregano leaves, pepper, boned , skinned chicken breast halves, ears corn, husks and silks removed, portabella mushrooms, stems trimmed, qts. (5 oz.) lightly packed baby spinach, green onions , cut into 2-in. slivers

head escarole, canola oil divided, boneless, skinless chicken breasts trimmed, smoked paprika divided, salt divided, drop corn husked, scallions trimmed, tomatoes halved lengthwise, garlic chopped, sherry or red-wine vinegar, crumbled feta or cotija cheese, pine nuts toasted