Question: who played young norman in a river runs through it
[{'answer': 'Joseph Gordon - Levitt'}, {'provenance': [{'wikipedia_id': '6286627', 'title': 'A River Runs Through It (film)', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 56, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10806054924249559336}, 'section': 'Section::::Cast.\n'}]}]