Question: who plays chad in the ryan white story
[{'answer': 'Ryan White', 'provenance': [{'wikipedia_id': '35987367', 'title': 'The Ryan White Story', 'start_paragraph_id': 0, 'start_character': 4, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35987367', 'title': 'The Ryan White Story', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 30, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9965496263765219576}, 'section': 'Section::::Cast.\n'}]}]