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?
Sentence (from "Riley One-Point-Five"): They utilised the Morris Minor floorpan, suspension and steering but were fitted with the larger 1489 cc B-Series engine and MG Magnette gearbox.
Relevant evidence: Yes