Question: who played john robinson on lost in space
[{'answer': 'Guy Williams', 'provenance': [{'wikipedia_id': '579609', 'title': 'Guy Williams (actor)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '579609', 'title': 'Guy Williams (actor)', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 209, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3070271103535313129}, 'section': 'Section::::Biography.:"Lost in Space" (1965–1968).\n'}]}]