Riverside has a family-friendly restaurant which costs less than 20 pounds.  They serve English food, and have a low customer rating.  They are called The Waterman.
[['The Waterman', 'eatType', 'restaurant'], ['The Waterman', 'food', 'English'], ['The Waterman', 'priceRange', 'less than £20'], ['The Waterman', 'customer rating', 'low'], ['The Waterman', 'area', 'riverside'], ['The Waterman', 'familyFriendly', 'yes']]