Question: who played mrs brown on my favorite martian
[{'answer': 'Pamela Britton', 'provenance': [{'wikipedia_id': '545833', 'title': 'My Favorite Martian', 'start_paragraph_id': 41, 'start_character': 242, 'end_paragraph_id': 41, 'end_character': 256, 'bleu_score': 1.0, 'section': 'Section::::In other media.:Feature film.\n'}]}, {'provenance': [{'wikipedia_id': '545833', 'title': 'My Favorite Martian', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 48, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13966026528564712439}, 'section': 'Section::::Cast.\n'}]}]