Question: who sings the song must be doing something right
[{'answer': 'Billy Currington', 'provenance': [{'wikipedia_id': '12271804', 'title': "Must Be Doin' Somethin' Right", 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 155, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12271804', 'title': "Must Be Doin' Somethin' Right", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 356, 'bleu_score': 0.7620578652591441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4470843856143798616}, 'section': 'Section::::Abstract.'}]}]