A cheap place to eat is Blue Spice, which is by the riverside. It's a cheap and family-friendly restaurant, although is not rated highly.
[['Blue Spice', 'eatType', 'restaurant'], ['Blue Spice', 'priceRange', 'less than £20'], ['Blue Spice', 'area', 'riverside'], ['Blue Spice', 'familyFriendly', 'yes']]