Question: who is recently designated as the un messenger of peace
[{'answer': 'Malala Yousafzai', 'provenance': [{'wikipedia_id': '15299660', 'title': 'United Nations Messengers of Peace', 'start_paragraph_id': 19, 'start_character': 12, 'end_paragraph_id': 19, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Current messengers.\n'}]}, {'provenance': [{'wikipedia_id': '15299660', 'title': 'United Nations Messengers of Peace', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 46, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12692245452068905486}, 'section': 'Section::::Current messengers.\n'}]}]