Question: who sang the song all my exes live in texas
[{'answer': 'George Strait', 'provenance': [{'wikipedia_id': '16334568', 'title': "All My Ex's Live in Texas", 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16334568', 'title': "All My Ex's Live in Texas", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 235, 'bleu_score': 0.8977528478480281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5099423084385132509}, 'section': 'Section::::Abstract.'}]}]