Claim: United Kingdom's Nigel Mansell  for Williams-Honda ranked 1st in the championship round of the 1986 French Grand Prix, which was held on 6 July 1986 at the Circuit Paul Ricard.
Evidence: United_Kingdom Nigel Mansell Williams-Honda The 1986 French Grand Prix was a Formula One motor race held at Paul Ricard on 6 July 1986.