Question: who is the best female rapper in usa
[{'answer': 'Cardi B', 'provenance': [{'wikipedia_id': '23441050', 'title': 'BET Award for Best Female Hip-Hop Artist', 'start_paragraph_id': 1, 'start_character': 403, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]