Question: who played in the movie ode to billy joe
[{'answer': 'Robby Benson', 'provenance': [{'wikipedia_id': '2531044', 'title': 'Ode to Billy Joe (film)', 'start_paragraph_id': 2, 'start_character': 62, 'end_paragraph_id': 2, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2531044', 'title': 'Ode to Billy Joe (film)', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 48, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10315537074859451118}, 'section': 'Section::::Cast.\n'}]}]