 Complete the following phrase:  The National Water Sports Centre is based at Holme Pierrepont, with a 2000-metre regatta lake for rowing, canoeing and sailing, and a white water slalom canoe course fed from the river. A number of other sailing, rowing and canoeing clubs are also based along the River Trent, as is the boatbuilder Raymond Sims. The centre hosted the 1981 ICF Canoe Sprint and 