Question: who sings the song someone i used to know
[{'answer': 'New Zealand singer Kimbra', 'provenance': [{'wikipedia_id': '32734442', 'title': 'Somebody That I Used to Know', 'start_paragraph_id': 1, 'start_character': 106, 'end_paragraph_id': 1, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Belgian - Australian singer - songwriter Gotye'}, {'provenance': [{'wikipedia_id': '32734442', 'title': 'Somebody That I Used to Know', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 628, 'bleu_score': 0.9350224253087571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9706314832778051941}, 'section': 'Section::::Abstract.'}]}]