Table:
text: Might and Power
Race record
1997-98 Season as a Four Year Old
Result_ Date_ Race Venue Group_ Distance Weight_kg Jockey Winner_2nd
Won 04 Nov 1997 Melbourne Cup Flemington G1 3200 m 56 J. Cassidy 2nd - Doriemus
3rd 14 Feb 1998 C F Orr Stakes Caulfield G1 1400 m 57 J. Cassidy 1st - Special Dane
2nd 28 Feb 1998 St George Stakes Caulfield G2 1800 m 57 J. Cassidy 1st - Dane Ripper
2nd 21 Mar 1998 Ranvet Stakes Rosehill G1 2000 m 57 J. Cassidy 1st - Gold Guru
Won 04 Apr 1998 Mercedes Classic Rosehill G1 2400 m 57 B. York 2nd - Gold Guru
Won 25 Apr 1998 AJC Queen Elizabeth Stakes Randwick G1 2000 m 57 B. York 2nd - Champagne
Won 13 May 1998 Hollindale Stakes Gold Coast G2 1800 m 57 B. York 2nd - Summer Beau

Question: Might and dad, which group was Hollindale a four year old race record in the 1997-98 season?