Table:
text: 1991 Australian Touring Car Championship
Race Calendar
Race Calendar
Race_Title Circuit City_State Date_ Winner Team
Mallala Mallala Motor Sport Park Mallala , South Australia 21 - 23 Jun Mark Skaife Nissan Motor Sport
Lakeside Lakeside International Raceway Brisbane, Queensland 12 - 14 Jul Tony Longhurst Benson & Hedges Racing
Oran Park Oran Park Raceway Sydney, New South Wales 9 - 11 Aug Mark Skaife Nissan Motor Sport

Question: What was the 1991 Australian Touring Car Championship title at Oran Park Raceway?

Question: Who won the 1991 Australian Touring Car Championships at Oran Park Raceway?