Question: when does the series yellowstone with kevin costner begin
[{'answer': 'June 20 , 2018', 'provenance': [{'wikipedia_id': '54060698', 'title': 'Yellowstone (American TV series)', 'start_paragraph_id': 64, 'start_character': 706, 'end_paragraph_id': 64, 'end_character': 720, 'bleu_score': 1.0, 'section': 'Section::::Production.:Development.\n'}]}, {'provenance': [{'wikipedia_id': '54060698', 'title': 'Yellowstone (American TV series)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 458, 'bleu_score': 0.759192928837068, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7687411771680362644}, 'section': 'Section::::Abstract.'}]}]