Question: who played walter cunningham jr in to kill a mockingbird
[{'answer': 'Steve Condit', 'provenance': [{'wikipedia_id': '4607980', 'title': 'To Kill a Mockingbird (film)', 'start_paragraph_id': 34, 'start_character': 12, 'end_paragraph_id': 34, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Uncredited roles in order of appearance.\n'}]}]