Question: who starred in the tv show room 222
[{'answer': 'Lloyd Haynes', 'provenance': [{'wikipedia_id': '769871', 'title': 'Room 222', 'start_paragraph_id': 4, 'start_character': 324, 'end_paragraph_id': 4, 'end_character': 336, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'answer': 'Denise Nicholas', 'provenance': [{'wikipedia_id': '769871', 'title': 'Room 222', 'start_paragraph_id': 4, 'start_character': 490, 'end_paragraph_id': 4, 'end_character': 505, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'answer': 'Michael Constantine', 'provenance': [{'wikipedia_id': '769871', 'title': 'Room 222', 'start_paragraph_id': 2, 'start_character': 86, 'end_paragraph_id': 2, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Karen Valentine', 'provenance': [{'wikipedia_id': '769871', 'title': 'Room 222', 'start_paragraph_id': 2, 'start_character': 110, 'end_paragraph_id': 2, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]