Question: who played the real big momma in big mommas house
[{'answer': 'Ella Mitchell', 'provenance': [{'wikipedia_id': '40594612', 'title': "Big Momma's House", 'start_paragraph_id': 16, 'start_character': 12, 'end_paragraph_id': 16, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]