Question: who plays young william in a knight's tale
[{'answer': 'Leagh Conwell', 'provenance': [{'wikipedia_id': '65669', 'title': "A Knight's Tale", 'start_paragraph_id': 24, 'start_character': 12, 'end_paragraph_id': 24, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]