Question: when did prairie home companion change its name
[{'answer': '2016', 'provenance': [{'wikipedia_id': '61194', 'title': 'A Prairie Home Companion', 'start_paragraph_id': 1, 'start_character': 124, 'end_paragraph_id': 1, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '61194', 'title': 'A Prairie Home Companion', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 672, 'bleu_score': 0.9823771291847391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13579550108620663892}, 'section': 'Section::::Abstract.'}]}]