Question: who was the first member that left depeche mode
[{'answer': 'Vince Clarke', 'provenance': [{'wikipedia_id': '8533', 'title': 'Depeche Mode', 'start_paragraph_id': 2, 'start_character': 132, 'end_paragraph_id': 2, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]