Question: What was the George Mackie Watson RIBA's masterpiece about?
Sentence (from "Eilean Donan"): Eilean Donan (Scottish Gaelic: "Eilean Donnain" ) is a small tidal island where three sea lochs meet, Loch Duich, Loch Long and Loch Alsh, in the western Highlands of Scotland.
Relevant evidence: Yes