i want to find a moderate -ly priced restaurant that has spanish food .
{'service': 'restaurant', 'act': 'inform', 'slot_name': 'area', 'value': 'center of town'} {'service': 'restaurant', 'act': 'inform', 'slot_name': 'name', 'value': 'la tasca'}
la tasca is the only matching restaurant . it is in the center of town .