Question: Of these two U.S airports, Muskegon County Airport and Fresno Yosemite International Airport, which restored service to Chicago through the Essential Air Service?
Sentence (from "Muskegon County Airport"): Muskegon County Airport (IATA: MKG, ICAO: KMKG, FAA LID: MKG) is a county owned, public use airport in Muskegon County, Michigan, United States.
Relevant evidence: Yes