Question: What structure that sits on a cliff overlooking the River Ness appears on the reverse of The Royal Bank of Scotland £50 note, is a banknote of the pound sterling he second largest denomination of banknote issued by The Royal Bank of Scotland that also features Lord Ilay?
Sentence (from "The Royal Bank of Scotland £5 note"): The Royal Bank of Scotland £5 note, also known as a fiver, is a banknote of the pound sterling.
Relevant evidence: No