Question: The Green Mountain Cog Railway was a mountain railway built to carry tourists to the top of a mountain that is how tall?
Sentence (from "Eibsee Cable Car"): The Eibsee Cable Car, which opened in 1963, is a cable car which connects the lower station (973 m above sea level) near lake Eibsee with the top station at 2950 m above sea level next to the summit of Zugspitze, Germany's highest mountain on the border to Austria.
Relevant evidence: No