Question: WNP-3 and WNP-5 were constructed by the agency formed in which year?
Sentence (from "WNP-3 and WNP-5"): WNP-1, WNP-2 and WNP-3 were part of the original 1968 plan, with WNP-4 (a twin to WNP-1 and located at the same site) and WNP-5 (a twin to WNP-3, in similar fashion) added in the early 1970s.
Relevant evidence: No