Question: who played the role of ned donnelly in the early episodes of the family ties
[{'answer': 'Tom Hanks', 'provenance': [{'wikipedia_id': '172943', 'title': 'Family Ties', 'start_paragraph_id': 25, 'start_character': 12, 'end_paragraph_id': 25, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Guest stars.\n'}]}]