Question: Sinclair Vehicles Ltd was a company formed in March 1983 by Sir Clive Sinclair as a focus for his work in the field of electric vehicles, Barrie Wills, formerly of the DeLorean Motor Company, was appointed as managing director, the The DeLorean Motor Company (DMC) is an American automobile manufacturer originally formed, by which automobile industry executive in 1975?
Sentence (from "Sinclair C5"): The Sinclair C5 is a small one-person battery electric vehicle, technically an "electrically assisted pedal cycle".
Relevant evidence: No