Question: who plays red's mother in that 70s show
[{'answer': 'Marion Ross', 'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 34, 'start_character': 55, 'end_paragraph_id': 34, 'end_character': 66, 'bleu_score': 1.0, 'section': 'Section::::Recurring characters.\n'}]}, {'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 34, 'start_character': 12, 'end_paragraph_id': 34, 'end_character': 523, 'bleu_score': 0.7001689840770471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11062473979647977275}, 'section': 'Section::::Recurring characters.\n'}]}]