Question: who played vern in the movie stand by me
[{'answer': "Jerry O'Connell", 'provenance': [{'wikipedia_id': '87983', 'title': 'Stand by Me (film)', 'start_paragraph_id': 1, 'start_character': 133, 'end_paragraph_id': 1, 'end_character': 148, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]