Question: Guthega Power Station is part of a project that has what length of tunnels, pipelines, and aqueducts?
Sentence (from "Guthega Power Station"): It is the first to be completed and smallest of the initial seven hydroelectric power stations that comprise the Snowy Mountains Scheme, a vast hydroelectricity and irrigation complex constructed in south-east Australia between 1949 and 1974 and now run by Snowy Hydro.
Relevant evidence: Yes