Question: when did the plain dealer begin their first publication
[{'answer': '1842', 'provenance': [{'wikipedia_id': '738659', 'title': 'The Plain Dealer', 'start_paragraph_id': 5, 'start_character': 33, 'end_paragraph_id': 5, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::History and ownership.\n'}]}, {'provenance': [{'wikipedia_id': '738659', 'title': 'The Plain Dealer', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 331, 'bleu_score': 0.96188712955549, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7487457403279819339}, 'section': 'Section::::History and ownership.\n'}]}]