Table:
text: 1978 Australian Touring Car Championship
Calendar
Calendar
Rd_ Circuit City_State Date_ Format Round_winner Car Entrant
5 Wanneroo Park Perth , Western Australia 7 May Two heats Peter Brock Holden LX Torana A9X Marlboro Holden Dealer Team
6 Calder Melbourne , Victoria 28 May One race Bob Morris Holden LX Torana A9X Ron Hodgson Channel 7 Racing Team
7 Lakeside Brisbane , Queensland 25 June One race Allan Moffat Ford XC Falcon Moffat Ford Dealers

Question: Which round of the 1978 Australian Touring Car Championship was the Wanneroo Park Circuit round winner?

Question: Which circuit has a two round format for the 1978 Australian Touring Car Championship?