Question: who was the girl in justin bieber what do you mean
[{'answer': 'Xenia Deli', 'provenance': [{'wikipedia_id': '47385748', 'title': 'What Do You Mean?', 'start_paragraph_id': 28, 'start_character': 225, 'end_paragraph_id': 28, 'end_character': 235, 'bleu_score': 1.0, 'section': 'Section::::Music video.\n'}]}, {'provenance': [{'wikipedia_id': '47385748', 'title': 'What Do You Mean?', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 430, 'bleu_score': 0.858978122802852, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4869303384002742679}, 'section': 'Section::::Music video.\n'}]}]