Table:
text: 1986 Formula One season
Season review
Season review
Race Date_ Location_ Pole_Position Fastest_Lap Race_Winner Constructor_ Report
Portuguese Grand Prix 21 September Estoril Ayrton Senna Nigel Mansell Nigel Mansell Williams - Honda Report
Mexican Grand Prix 12 October Hermanos Rodriguez Ayrton Senna Nelson Piquet Gerhard Berger Benetton - BMW Report
Australian Grand Prix 26 October Adelaide Nigel Mansell Nelson Piquet Alain Prost McLaren - TAG Report

Question: Who won the 1986 Australian Grand Prix under 1986 Formula 1 season recaps?