Question: why was greenwich chosen as the location for the prime meridian
[{'answer': 'due to its popularity', 'provenance': [{'wikipedia_id': '441212', 'title': 'Prime meridian (Greenwich)', 'start_paragraph_id': 1, 'start_character': 524, 'end_paragraph_id': 1, 'end_character': 545, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '441212', 'title': 'Prime meridian (Greenwich)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 866, 'bleu_score': 0.9669266300094901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15624556204342681921}, 'section': 'Section::::Abstract.'}]}]