Generate a correct and concise answer for the question based on the words in the context.

Context : 94 Aquarii (abbreviated 94 Aqr) is a triple star system in the equatorial constellation of Aquarius. 
Question : The star/galaxy 94 Aquarii is in what constellation?
Aquarius

Context : Saint Ambrose barring Theodosius from Milan Cathedral is a 1619--1620 painting by Anthony van Dyck, now in the National Gallery in London. 
Question : What is the name of the place where Saint Ambrose barring Theodosius from Milan Cathedral can be found?
National Gallery

Context : William Blagheen (born 1832, date of death unknown), also known as William Blagden, was a Union Navy sailor in the American Civil War and a recipient of the U.S. military's highest decoration, the Medal of Honor, for his actions at the Battle of Mobile Bay. 
Question : What armed force did William Blagheen serve in?

Union Navy