Question: who played will robinson on the original lost in space
[{'answer': 'Charles William Mumy Jr.', 'provenance': [{'wikipedia_id': '4904', 'title': 'Bill Mumy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4904', 'title': 'Bill Mumy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 518, 'bleu_score': 0.81802324334537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17664608572500710613}, 'section': 'Section::::Abstract.'}]}]