Question: who sang someone that i used to know
[{'answer': 'Gotye', 'provenance': [{'wikipedia_id': '32734442', 'title': 'Somebody That I Used to Know', 'start_paragraph_id': 1, 'start_character': 89, 'end_paragraph_id': 1, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Kimbra', 'provenance': [{'wikipedia_id': '32734442', 'title': 'Somebody That I Used to Know', 'start_paragraph_id': 1, 'start_character': 125, 'end_paragraph_id': 1, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'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': 0.912375284825309, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8723295636375403786}, 'section': 'Section::::Abstract.'}]}]