Question: name the one major city in texas that has no zoning ordinances
[{'answer': 'Houston', 'provenance': [{'wikipedia_id': '13810067', 'title': 'Zoning in the United States', 'start_paragraph_id': 25, 'start_character': 11, 'end_paragraph_id': 25, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Origins and history.:19081930.:"Euclid v. Ambler Realty".\n'}]}, {'provenance': [{'wikipedia_id': '13810067', 'title': 'Zoning in the United States', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 900, 'bleu_score': 0.9210505137413371, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17928397199673104941}, 'section': 'Section::::Origins and history.:19081930.:Houston, 19241929.\n'}]}]