In the centre of the city, there is a restaurant called The Waterman.  It is a highly recommended, yet inexpensive, restaurant for families.
[['The Waterman', 'eatType', 'restaurant'], ['The Waterman', 'priceRange', 'cheap'], ['The Waterman', 'area', 'city centre'], ['The Waterman', 'familyFriendly', 'yes']]