Question: who played marsha brady in the brady bunch
[{'answer': 'Maureen Denise McCormick', 'provenance': [{'wikipedia_id': '3632577', 'title': 'Maureen McCormick', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3632577', 'title': 'Maureen McCormick', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 919, 'bleu_score': 0.9874601949752461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10011964860991347656}, 'section': 'Section::::Abstract.'}]}]