Question: who sings don't it make your brown eyes blue
[{'answer': 'Crystal Gayle', 'provenance': [{'wikipedia_id': '6726099', 'title': "Don't It Make My Brown Eyes Blue", 'start_paragraph_id': 1, 'start_character': 117, 'end_paragraph_id': 1, 'end_character': 130, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6726099', 'title': "Don't It Make My Brown Eyes Blue", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 275, 'bleu_score': 0.9611463610973231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8139921410275474179}, 'section': 'Section::::Abstract.'}]}]