Context: RIBA is based at 66 Portland Place, London—a 1930s Grade II* listed building designed by architect George Grey Wornum with sculptures by Edward Bainbridge Copnall and James Woodford. Parts of the London building are open to the public, including the Library. It has a large architectural bookshop, a café, restaurant and lecture theatres. Rooms are hired out for events.

Question: What is the Royal Institute of British Architects' street address?
Answer: 66 Portland Place

Question: Who designed RIBA's headquarters?
Answer: George Grey Wornum

Question: What is one room in RIBA's headquarters that can be visited by the public?
Answer: the Library

Question: For what purpose can rooms be rented at the Royal Institute's building?
Answer: events

Question: What is the former Royal Institute of British Architects' street address?
Answer: Unanswerable

Question: Who destroyed RIBA's headquarters?
Answer: Unanswerable

Question: What is one room in RIBA's headquarters that can no longer be visited by the public?
Answer: Unanswerable

Question: What purpose can rooms not be rented at the Royal Institute's building?
Answer: Unanswerable