Question: who was the first announcer on the price is right
[{'answer': 'Johnny Olson', 'provenance': [{'wikipedia_id': '351623', 'title': 'Rod Roddy', 'start_paragraph_id': 1, 'start_character': 472, 'end_paragraph_id': 1, 'end_character': 484, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '351623', 'title': 'Rod Roddy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 874, 'bleu_score': 0.9709797067861031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14088530098348497800}, 'section': 'Section::::Abstract.'}]}]