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 "Glensheen Historic Estate"): Glensheen sits on 12 acres of waterfront property on Lake Superior, has 39 rooms and is built in the Jacobean architectural tradition, inspired by the Beaux-Arts styles of the era.
Relevant evidence: No