Question: What company owns a hydroelectric, concrete gravity dam; located on the Columbia River, between the Yakima Firing Range and a mostly decommissioned nuclear production complex operated by the United States federal government on the Columbia River in the U.S. state of Washington?
Sentence (from "Suofengying Dam"): It is located 35.5 km downstream of the Dongfeng Dam and 74.9 km upstream of the Wujiangdu Dam.
Relevant evidence: No