Question: grid lines that are drawn in a north-south direction
[{'answer': 'Northings', 'provenance': [{'wikipedia_id': '227280', 'title': 'Grid reference', 'start_paragraph_id': 3, 'start_character': 325, 'end_paragraph_id': 3, 'end_character': 334, 'bleu_score': 1.0, 'section': 'Section::::Types.\n'}]}, {'provenance': [{'wikipedia_id': '227280', 'title': 'Grid reference', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 334, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6588434178749417687}, 'section': 'Section::::Types.\n'}]}]