Question: who is the woman speaking in beyonce flawless
[{'answer': 'Nigerian writer Chimamanda Ngozi Adichie', 'provenance': [{'wikipedia_id': '41357007', 'title': 'Flawless (Beyoncé song)', 'start_paragraph_id': 2, 'start_character': 142, 'end_paragraph_id': 2, 'end_character': 182, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41357007', 'title': 'Flawless (Beyoncé song)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 450, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8828969313702498537}, 'section': 'Section::::Abstract.'}]}]