Question: who won the golden ball in champions trophy 2017
[{'answer': 'Hasan Ali', 'provenance': [{'wikipedia_id': '50694067', 'title': '2017 ICC Champions Trophy Final', 'start_paragraph_id': 3, 'start_character': 494, 'end_paragraph_id': 3, 'end_character': 503, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50694067', 'title': '2017 ICC Champions Trophy Final', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 690, 'bleu_score': 0.7908277524710631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15462748447524181499}, 'section': 'Section::::Abstract.'}]}]