Question: What is the square footage of this mansion in Duluth, Minnesota, operated by the University of Minnestoa Duluth as a historic house museum, indelibly linked with the Congdon name?
Sentence (from "Chester Adgate Congdon"): Chester Adgate Congdon (June 12, 1853 – November 21, 1916), lawyer and capitalist, was born in Rochester, New York, on June 12, 1853, his parents being Sylvester Laurentius and Laura Jane (Adgate) Congdon.
Relevant evidence: Yes