Question: Who was the architect for a visitor attraction in Belfast with more than 12000 sqm of floor space?
Sentence (from "Beijing Chao-Yang Hospital"): Beijing Chao-Yang Hospital (S: 北京朝阳医院, T: 北京朝陽醫院, P: "Běijīng Cháoyáng Yīyuàn") is a hospital in Chaoyang District, Beijing.
Relevant evidence: No