Question: who plays stevens mom on that 70s show
[{'answer': 'Katey Sagal', 'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 10, 'start_character': 233, 'end_paragraph_id': 10, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Steven Hyde.\n'}]}, {'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 43, 'start_character': 0, 'end_paragraph_id': 43, 'end_character': 477, 'bleu_score': 0.5985838269692201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13991687026073372524}, 'section': 'Section::::Recurring characters.\n'}]}]