Question: who played mrs garrett's son on facts of life
[{'answer': 'Tom Fitzsimmons', 'provenance': [{'wikipedia_id': '30857719', 'title': 'List of The Facts of Life characters', 'start_paragraph_id': 6, 'start_character': 1210, 'end_paragraph_id': 6, 'end_character': 1225, 'bleu_score': 1.0, 'section': 'Section::::Edna Garrett.\n'}]}, {'answer': 'Joel Brooks', 'provenance': [{'wikipedia_id': '30857719', 'title': 'List of The Facts of Life characters', 'start_paragraph_id': 6, 'start_character': 1272, 'end_paragraph_id': 6, 'end_character': 1283, 'bleu_score': 1.0, 'section': 'Section::::Edna Garrett.\n'}]}, {'provenance': [{'wikipedia_id': '30857719', 'title': 'List of The Facts of Life characters', 'start_paragraph_id': 6, 'start_character': 890, 'end_paragraph_id': 6, 'end_character': 2073, 'bleu_score': 0.9673688035046101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18332828858245015421}, 'section': 'Section::::Edna Garrett.\n'}]}]