Question: what is the border between africa and asia
[{'answer': 'the Isthmus of Suez', 'provenance': [{'wikipedia_id': '13973661', 'title': 'Boundaries between the continents of Earth', 'start_paragraph_id': 83, 'start_character': 60, 'end_paragraph_id': 83, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Africa and Asia.\n'}]}, {'provenance': [{'wikipedia_id': '13973661', 'title': 'Boundaries between the continents of Earth', 'start_paragraph_id': 4, 'start_character': 12, 'end_paragraph_id': 4, 'end_character': 133, 'bleu_score': 0.7286425858042711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 267140371968680920}, 'section': 'Section::::Abstract.'}]}]