Question: how many assist does ozil have in his career
[{'answer': '25', 'provenance': [{'wikipedia_id': '6323098', 'title': 'Mesut Özil', 'start_paragraph_id': 2, 'start_character': 574, 'end_paragraph_id': 2, 'end_character': 576, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6323098', 'title': 'Mesut Özil', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 646, 'bleu_score': 0.9605459459520521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2644212192111048670}, 'section': 'Section::::Abstract.'}]}]