Question: Which airport mainly serves flights to several airline hubs in the western U.S., Los Angeles International Airport or Fresno Yosemite International Airport?
Sentence (from "Los Angeles International Airport"): Los Angeles International Airport (IATA: LAX, ICAO: KLAX, FAA LID: LAX) is the largest and busiest airport in the Greater Los Angeles Area and the state of California, the second busiest airport in the United States, as well as one of the largest international airports in the world.
Relevant evidence: Yes