Table:
text: 1997 Australian Touring Car season
Race Calendar
Race Calendar
Date_ Series Circuit City_State Winner Team
20 Jul AMSCAR Round 2 Amaroo Park Sydney , New South Wales Mal Rose Mal Rose Racing
3 Aug ATCC Round 10 Oran Park Raceway Sydney , New South Wales Greg Murphy Holden Racing Team
10 Aug ASTC Round 5 Winton Motor Raceway Benalla , Victoria Paul Morris Paul Morris Motorsport
24 Aug ASTC Round 6 Mallala Motor Sport Park Adelaide , South Australia Cameron McConville Brad Jones Racing
31 Aug AMSCAR Round 3 Eastern Creek Raceway Sydney , New South Wales Mal Rose Mal Rose Racing
14 Sep Tickford Sandown 500 Sandown International Raceway Melbourne , Victoria Greg Murphy Craig Lowndes Holden Racing Team

Question: What is the date the series Amscar is round 3 for the 1997 Australian touring car season?