Question: who plays the mom in everybody hates chris
[{'answer': 'Tichina Arnold', 'provenance': [{'wikipedia_id': '19206596', 'title': 'List of Everybody Hates Chris characters', 'start_paragraph_id': 9, 'start_character': 20, 'end_paragraph_id': 9, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Rochelle.\n'}]}, {'provenance': [{'wikipedia_id': '19206596', 'title': 'List of Everybody Hates Chris characters', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 2629, 'bleu_score': 0.8975522668242251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16251690198706849985}, 'section': 'Section::::Main characters.:Rochelle.\n'}]}]