Question: Smith Creek is a 35.5 mi tributary stream of the North Fork of a river that passes through which US states?
Sentence (from "Shenandoah River"): The Shenandoah River is a tributary of the Potomac River, 55.6 mi long with two forks approximately 100 mi long each, in the U.S. states of Virginia and West Virginia.
Relevant evidence: Yes