Question: The Southern Railway runs from Vienna to Graz and the border with Slovenia at Spielfeld via the first mountain railway built in Europe to use what kind of track?
Sentence (from "D. William Brosnan"): During his time as chief engineer for the Western Lines of the Southern Railway, in 1945 and 1946, he oversaw an increased mechanization of track maintenance and construction on the Southern Railway, and during his time as general manager for the Central Lines, he oversaw the automation of freight car classification in yards and terminals.
Relevant evidence: No