Question: where did spandau ballet get their name from
[{'answer': 'Islington , London , England', 'provenance': [{'wikipedia_id': '170466', 'title': 'Spandau Ballet', 'start_paragraph_id': 1, 'start_character': 52, 'end_paragraph_id': 1, 'end_character': 73, 'bleu_score': 0.668740304976422, 'section': 'Section::::Abstract.'}]}]