 Complete the following phrase:  Mansell won five Grand Prix in 1986 and also played a part in one of the closest finishes in Formula One history, finishing second to Ayrton Senna in the Spanish Grand Prix at Jerez by a mere 0.014 seconds Mansell later jokingly said they should give himself and Senna 712 points each. The 1986 season was led mostly by Mansell in championship points, and it went down to the wire in Adelaide, Australia for the 