Question: what is the greek word for city state
[{'answer': 'Polis', 'provenance': [{'wikipedia_id': '131855', 'title': 'Polis', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 5, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '131855', 'title': 'Polis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 422, 'bleu_score': 0.8015029173599091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9441990653224465894}, 'section': 'Section::::Abstract.'}]}]