Question: Westport Airport, in the district of Wichita, is in the Class C airspace of which neighbouring airport which is the largest and busiest in the state of Kansas?
Sentence (from "Wichita Dwight D. Eisenhower National Airport"): Wichita Dwight D. Eisenhower National Airport (IATA: ICT, ICAO: KICT, FAA LID: ICT) is a commercial airport located about 7 mi west of downtown Wichita, Kansas, United States.
Relevant evidence: Yes