Question: where did the grand ole opry get its name
[{'answer': 'Barn Dance', 'provenance': [{'wikipedia_id': '60589', 'title': 'Grand Ole Opry', 'start_paragraph_id': 7, 'start_character': 41, 'end_paragraph_id': 7, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::History.:Beginnings.\n'}]}, {'answer': 'Music Appreciation Hour , a program of classical music and selections from grand opera'}]