Question: who was the lead singer for spandau ballet
[{'answer': 'Anthony Patrick Hadley', 'provenance': [{'wikipedia_id': '265207', 'title': 'Tony Hadley', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]