original question: What ship did [Harland and Wolff] build with displacement more than [20798.5]?
answer: hmhs britannic, rms republic
answer type: Ship.
auxiliary information: Harland & Wolff Heavy Industries is a heavy industrial company, specialising in shipbuilding and offshore construction, located in Belfast, Northern Ireland. Harland & Wolff is most famous for having built RMS Titanic. Other best remembered ships built by Harland & Wolff include the Titanic‚Äç '‚Äãs White Star sister ships RMS Olympic and RMS Britannic, the Royal Navy's HMS Belfast, Royal Mail Line's Andes, Shaw Savill's Southern Cross, Union-Castle's RMS Pendennis Castle, and P&O's Canberra. Harland and Wolff's official history, Shipbuilders to the World, was published in 1986. As of 2011, the expanding offshore wind power industry has taken centre stage, and 75% of the company's work is based on offshore renewable energy.
What  was the  name of the ship that[Harland and Wolff] build with displacement more than [20798.5]?