Question: who was the first mr wilson on dennis the menace
[{'answer': 'Joseph Kearns', 'provenance': [{'wikipedia_id': '543415', 'title': 'Dennis the Menace (1959 TV series)', 'start_paragraph_id': 1, 'start_character': 312, 'end_paragraph_id': 1, 'end_character': 325, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '543415', 'title': 'Dennis the Menace (1959 TV series)', 'start_paragraph_id': 21, 'start_character': 12, 'end_paragraph_id': 21, 'end_character': 348, 'bleu_score': 0.8941939195868741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 803546863020574599}, 'section': 'Section::::Cast.:Main characters.\n'}]}]