Question: what is the name of the strait between djibouti and yemen
[{'answer': 'Bab - el - Mandeb', 'provenance': [{'wikipedia_id': '62138', 'title': 'Bab-el-Mandeb', 'start_paragraph_id': 15, 'start_character': 88, 'end_paragraph_id': 15, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Population centers.\n'}]}, {'provenance': [{'wikipedia_id': '62138', 'title': 'Bab-el-Mandeb', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 198, 'bleu_score': 0.8380055871435841, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3505800179378234370}, 'section': 'Section::::Abstract.'}]}]