Question: who sang the original i can't live if living is without you
[{'answer': 'British rock group Badfinger'}, {'provenance': [{'wikipedia_id': '494649', 'title': 'Without You (Badfinger song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 383, 'bleu_score': 0.891788949662028, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15102781703248053342}, 'section': 'Section::::Abstract.'}]}]