Question: who played dr. smith on lost in space
[{'answer': 'Jonathan Harris', 'provenance': [{'wikipedia_id': '781810', 'title': 'Jonathan Harris', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '781810', 'title': 'Jonathan Harris', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 529, 'bleu_score': 0.8157203721107721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6602075873641997849}, 'section': 'Section::::Abstract.'}]}]