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?
{'answer': 'Grant County Public Utility District', 'supporting_facts': [['Priest Rapids Dam', 0], ['Priest Rapids Dam', 3], ['Hanford Site', 0]]}