Question: The 1916 Montana gubernatorial election took place on November 7, 1916, after comfortably winning the Democratic primary, he advanced to the general election, where he faced Frank J. Edwards, the former Mayor of Helena, the capital city of the U.S. state of Montana, and the county seat of which county?
Sentence (from "Helena, Montana"): Helena is the capital city of the U.S. state of Montana and the county seat of Lewis and Clark County.
Relevant evidence: Yes