Question: Robinson's Onion grows in Ferry County in a specific state; what is the capital of that state?
Sentence (from "Abies milleri"): Abies milleri, an extinct species of fir known from fossil remains found in deposits from the early Eocene Ypresian stage (around 49.5 mya) in Washington State, USA, is the oldest confirmed record for the fir genus.
Relevant evidence: No