Question: who plays beverly's son in tommy boy
[{'answer': 'Rob Lowe', 'provenance': [{'wikipedia_id': '817516', 'title': 'Tommy Boy', 'start_paragraph_id': 21, 'start_character': 12, 'end_paragraph_id': 21, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '817516', 'title': 'Tommy Boy', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 907, 'bleu_score': 0.56050321167714, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4082175912645417430}, 'section': 'Section::::Plot.\n'}]}]