Question: What was the first flagship sedan of the class of Mercedes-Benz which preceded the Mercedes-Benz CL-Class?
{'answer': 'Mercedes-Benz W220', 'supporting_facts': [['Mercedes-Benz CL-Class (C215)', 0], ['Mercedes-Benz CL-Class (C215)', 1], ['Mercedes-Benz S-Class (W220)', 0]]}