Question: how many seasons of gunsmoke aired before doc adams was given a first name
[{'answer': '10', 'provenance': [{'wikipedia_id': '174220', 'title': 'Gunsmoke', 'start_paragraph_id': 16, 'start_character': 484, 'end_paragraph_id': 16, 'end_character': 486, 'bleu_score': 1.0, 'section': 'Section::::Radio series (1952–1961).:Radio cast and character biographies.:Chester.\n'}]}, {'provenance': [{'wikipedia_id': '174220', 'title': 'Gunsmoke', 'start_paragraph_id': 58, 'start_character': 0, 'end_paragraph_id': 58, 'end_character': 391, 'bleu_score': 0.8530425310101041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 160128631505122820}, 'section': 'Section::::Television series (1955–1975).:Character back stories.\n'}]}]