Question: What is the name of the British car that debuted at the Earls Court Motor Show, London, on 20 September 1948, from which the floorpan, suspension and steering were utilised for the Riley One-Point-Five?
{'answer': 'Morris Minor', 'supporting_facts': [['Riley One-Point-Five', 0], ['Riley One-Point-Five', 1], ['Morris Minor', 0]]}