Question: who was the lead singer of destiny's child
[{'answer': 'Beyoncé Knowles', 'provenance': [{'wikipedia_id': '169410', 'title': "Destiny's Child", 'start_paragraph_id': 1, 'start_character': 88, 'end_paragraph_id': 1, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '169410', 'title': "Destiny's Child", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 932, 'bleu_score': 0.9865312178338931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4705194627051271061}, 'section': 'Section::::Abstract.'}]}]