Question: who plays donna's dad on that 70s show
[{'answer': 'Don Stark', 'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 22, 'start_character': 13, 'end_paragraph_id': 22, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Bob Pinciotti.\n'}]}, {'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 449, 'bleu_score': 0.9547948737542381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15738934286966045919}, 'section': 'Section::::Main characters.:Bob Pinciotti.\n'}]}]