Question: who sang the song when we were young
[{'answer': 'Robbie Williams', 'provenance': [{'wikipedia_id': '32336102', 'title': 'When We Were Young (Take That song)', 'start_paragraph_id': 1, 'start_character': 315, 'end_paragraph_id': 1, 'end_character': 330, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Gary Barlow', 'provenance': [{'wikipedia_id': '32336102', 'title': 'When We Were Young (Take That song)', 'start_paragraph_id': 1, 'start_character': 357, 'end_paragraph_id': 1, 'end_character': 368, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32336102', 'title': 'When We Were Young (Take That song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 512, 'bleu_score': 0.9788329837059241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9352783309216333934}, 'section': 'Section::::Abstract.'}]}]