Question: who sings on keith urban's coming home
[{'answer': 'American singer Julia Michaels', 'provenance': [{'wikipedia_id': '56889083', 'title': 'Coming Home (Keith Urban song)', 'start_paragraph_id': 1, 'start_character': 107, 'end_paragraph_id': 1, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '56889083', 'title': 'Coming Home (Keith Urban song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 409, 'bleu_score': 0.554881222516386, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14940905021188246260}, 'section': 'Section::::Abstract.'}]}]