Question: who are the female judges on america got talent
[{'answer': 'Brandy', 'provenance': [{'wikipedia_id': '4829129', 'title': "America's Got Talent", 'start_paragraph_id': 19, 'start_character': 81, 'end_paragraph_id': 19, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Judges and hosts.\n'}]}, {'answer': 'Sharon Osbourne', 'provenance': [{'wikipedia_id': '4829129', 'title': "America's Got Talent", 'start_paragraph_id': 19, 'start_character': 307, 'end_paragraph_id': 19, 'end_character': 322, 'bleu_score': 1.0, 'section': 'Section::::Judges and hosts.\n'}]}, {'answer': 'Heidi Klum', 'provenance': [{'wikipedia_id': '4829129', 'title': "America's Got Talent", 'start_paragraph_id': 20, 'start_character': 418, 'end_paragraph_id': 20, 'end_character': 428, 'bleu_score': 1.0, 'section': 'Section::::Judges and hosts.\n'}]}, {'answer': 'Mel B', 'provenance': [{'wikipedia_id': '4829129', 'title': "America's Got Talent", 'start_paragraph_id': 20, 'start_character': 134, 'end_paragraph_id': 20, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Judges and hosts.\n'}]}]