Question: the road of cities in the indus valley civilization generally divided the city into
[{'answer': 'a grid', 'provenance': [{'wikipedia_id': '129332', 'title': 'Grid plan', 'start_paragraph_id': 1, 'start_character': 133, 'end_paragraph_id': 1, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '129332', 'title': 'Grid plan', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 518, 'bleu_score': 0.977897140678983, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9485443773031394787}, 'section': 'Section::::History.:Ancient grid plans.\n'}]}]