Question: What mostly decommissioned nuclear production complex operated by the United States is overlooked by Rattlesnake Mountain?
Sentence (from "Rattlesnake Mountain, Benton County, Washington"): Rattlesnake Mountain (Native American name Lalíik meaning "land above the water") is a 3,527 ft (1,060 m) windswept treeless sub-alpine ridge overlooking the Hanford nuclear site.
Relevant evidence: Yes