Question: who is married in little big town group
[{'answer': 'Karen Fairchild and Jimi Westbrook', 'provenance': [{'wikipedia_id': '2737904', 'title': 'Little Big Town', 'start_paragraph_id': 77, 'start_character': 0, 'end_paragraph_id': 77, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Personal lives.\n'}]}, {'provenance': [{'wikipedia_id': '2737904', 'title': 'Little Big Town', 'start_paragraph_id': 77, 'start_character': 0, 'end_paragraph_id': 77, 'end_character': 194, 'bleu_score': 0.5202267774379741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1737113338731164146}, 'section': 'Section::::Personal lives.\n'}]}]