Question: who was john cusack in stand by me
[{'answer': 'Denny Lachance', 'provenance': [{'wikipedia_id': '87983', 'title': 'Stand by Me (film)', 'start_paragraph_id': 21, 'start_character': 35, 'end_paragraph_id': 21, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]