Following Monday's confirmation stage, 19 horses remain in contention for the G1 Queen Elizabeth II Jubilee S. at Royal Ascot, the feature race on the final day of the meeting on Saturday, June 22. They include five of the first six from last month's G2 Duke Of York S. in which Mill Stream (Ire) (Gleneagles {Ire}) held on by a nose from Shouldvebeenaring (GB) (Havana Grey {GB}). Last year's G1 Champion Sprint S. hero Art Power (Ire) (Dark Angel {Ire}) could manage only fifth on the Knavesmire, but he too...