Combine beans, canned tomato, onion, chili peppers, corn, tomato sauce, cumin, chili powder and taco seasoning in a slow cooker. Place chicken on top and cover.Cook on low for 10 hours or on high for 6 hours.Half hour before serving, remove chicken and shred with a fork. Return chicken to slow cooker and stir in. Serve with fresh cilantro, cheese and/or sour cream.The following nutritional values are approximate and does not include any added cheese or sour cream.