Question: what kind of food do they have in prague
[{'answer': 'Vietnamese cuisine'}, {'provenance': [{'wikipedia_id': '2807557', 'title': 'Czech cuisine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 882, 'bleu_score': 0.7674303377871371, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12036580149185903712}, 'section': 'Section::::Abstract.'}]}]