Question: what is the song wide open spaces about
[{'answer': 'leaving home', 'provenance': [{'wikipedia_id': '18389664', 'title': 'Wide Open Spaces (song)', 'start_paragraph_id': 4, 'start_character': 370, 'end_paragraph_id': 4, 'end_character': 382, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '18389664', 'title': 'Wide Open Spaces (song)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 488, 'bleu_score': 0.9766041382465441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6543730832333340425}, 'section': 'Section::::History.\n'}]}]