Question: Sai Van Bridge is the third one to cross a bay that was confined by what fortress to the north-east?
Sentence (from "Sai Van Bridge"): It features a double-deck design, with an enclosed lower deck to be used in the event of strong typhoons when the other two bridges connecting Taipa and Macau Peninsula, namely Ponte Governador Nobre de Carvalho and Ponte de Amizade, are closed.
Relevant evidence: No