Table:
text: Elvstroem
Race record
2003-04 Season as a Three Year Old
Result_ Date_ Race Venue Group_ Distance Weight_kg Jockey Winner_2nd
Won 1 Nov 2003 Victoria Derby Flemington G1 2500 m 55.5 D. Oliver 2nd - Kempinsky
5th 17 Jan 2004 Zeditave Stakes Caulfield LR 1200 m 58 P. Payne 1st - St Elmo`s Fire
3rd 31 Jan 2004 Debonair Stakes Flemington G3 1410 m 57.5 D. Oliver 1st - Starcraft
5th 14 Feb 2004 Australian Guineas Flemington G1 1600 m 55.5 D. Oliver 1st - Reset
Won 28 Feb 2004 Autumn Classic Caulfield G2 1800 m 55.5 D. Oliver 2nd - Delzao
3rd 8 Mar 2004 Australian Cup Flemington G1 2000 m 53.5 D. Oliver 1st - Lonhro
3rd 27 Mar 2004 Rosehill Guineas Rosehill G1 2000 m 56.5 D. Oliver 1st - Neillo
6th 3 Apr 2004 The BMW Stakes Rosehill G1 2400 m 53.5 D. Oliver 1st - Grand Zulu

Question: How many times has the Victoria Derby been held at Elvstrom?

Question: How difficult is the autumn classic at Elvström?