Question: what popular food is thought to have originated in naples italy
[{'answer': 'pizza', 'provenance': [{'wikipedia_id': '5659119', 'title': 'History of pizza', 'start_paragraph_id': 0, 'start_character': 11, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5659119', 'title': 'History of pizza', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 216, 'bleu_score': 0.8419539711731491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10318844438815008449}, 'section': 'Section::::Abstract.'}]}]