Question: Which airport has changed its name more often: Newark Liberty International Airport or East Texas Regional Airport?

Context paragraphs:
Newark Metropolitan Airport Buildings: The Newark Metropolitan Airport Buildings are at Newark Liberty International Airport in Newark, New Jersey.  Newark Metropolitan, opened in 1928, was the first major airport in the United States.  The trio of Art Deco buildings, the Administration Building, Brewster Hangar and the Medical Building, were built in 1934 and dedicated by Amelia Earhart in 1935.  They were added to state and federal registers of historic places in 1980.  In 2001, the Administration Building was relocated when a runway was lengthened, and they have subsequently been renovated.  The terminal was once adorned with murals by Arshile Gorky, only two of which survive and are part of the Newark Museum collection

Newark Liberty International Airport Station: Newark Liberty International Airport Station (also known as Newark International Airport Station) is a railroad station on the Northeast Corridor (NEC) in Newark, New Jersey.  The station provides access to Newark Liberty International Airport (EWR) via the AirTrain monorail which connects the station to the airport's terminals and parking areas.  It is served by New Jersey Transit's (NJT) Northeast Corridor Line and North Jersey Coast Line and Amtrak's "Northeast Regional" and Keystone Service trains.  The station, located in the Dayton neighborhood of the city, has no pedestrian access, bus service, parking facility, or drop-off area.

AirTrain Newark: AirTrain Newark is a 3-mile (4.8 km) monorail system connecting the terminals at Newark Liberty International Airport (EWR) and trains at Newark Liberty International Airport Station on the Northeast Corridor (NEC), where transfers are possible to Amtrak and New Jersey Transit's Northeast Corridor Line and North Jersey Coast Line

World Airways Flight 30: World Airways Flight 30 was a McDonnell Douglas DC-10-30CF airliner which suffered a fatality incident upon landing at Boston Logan International Airport in Boston, Massachusetts, USA after departing Newark International Airport (now Newark Liberty International Airport), Newark, New Jersey, USA on January 23, 1982.

Douglas Hofsass: Douglas Hofsass (Doug Hofsass) is a former Assistant Administrator in the United States Department of Homeland Security, assigned to the Transportation Security Administration.  In addition to his role as the Assistant Administrator overseeing risk based security and trusted traveler programs, he also served as the Federal Security Director in New York City.  As part of his responsibilities in New York City, he oversaw the first implementation of federal security operations under DHS at the Downtown Manhattan Heliport and the East 34th Street Heliport for commercial helicopter flights to John F Kennedy International Airport, Newark Liberty International Airport and LaGuardia Airport.  Hofsass also held the posts of General Manager of Commercial Aviation and Deputy Assistant Administrator for Policy and Industry Engagement for the Transportation Security Administration.  He was heavily involved in launching the TSA Pre-Check Program, and claimed a collaborative partnership with the US Customs Department and their Global Entry Program.  Hofsass served at the Transportation Security Administration from 2002 until 2013, including several years working directly for Administrators John S. Pistole, Kip Hawley and Gale Rossides.  Prior to his Federal executive service, Hofsass was with United Airlines management for nearly 10 years.  Hofsass returned to the commercial aviation sector in 2013.

East Texas Regional Airport: East Texas Regional Airport (IATA: GGG, ICAO: KGGG, FAA LID: GGG) is a county owned, public use airport located eight nautical miles (9 mi, 15 km) south of the central business district of Longview, in Gregg County, Texas, United States.  Its IATA identifier "GGG" comes from its prior name, Gregg County Airport.  The airport is mostly used for general aviation and military training operations, but scheduled airline service to Dallas/Fort Worth is provided by American Airlines/American Eagle.

Newark Liberty International Airport: Newark Liberty International Airport (IATA: EWR, ICAO: KEWR, FAA LID: EWR) , originally Newark Metropolitan Airport and later Newark International Airport, is the primary airport serving the U.S. state of New Jersey.  The airport straddles the boundary between the cities of Elizabeth and Newark, the latter of which is the most populous city in the state.  The airport is owned jointly by the cities of Elizabeth and Newark and leased to and operated by the Port Authority of New York and New Jersey.

Transportation in New York City: The transportation system of New York City is a network of complex infrastructural systems.  New York City, being the most populous city in the United States, has a transportation system which includes one of the largest subway systems in the world; the world's first mechanically ventilated vehicular tunnel; and an aerial tramway.  New York City's airport system, which includes John F. Kennedy International Airport, LaGuardia Airport, Newark Liberty International Airport (located in New Jersey), Stewart Airport and a few smaller facilities, is one of the largest in the world.  New York City is also home to an extensive bus system in each of the five boroughs, and numerous taxis throughout the city.

United p.s.: United p.s. is a premium service offered by United Airlines on flights between Newark Liberty International Airport and Los Angeles International Airport and San Francisco International Airport, as well as between Boston Logan International Airport and San Francisco International Airport.  The fleet consists of specially configured Boeing 757-200 aircraft with three classes of service: United Business, United Economy Plus, and United Economy.  Each class of service includes certain amenities not offered on regular flights.

New Jersey Route 21: Route 21 is a highway in northern New Jersey, running 14.35 mi from the Newark Airport Interchange with U.S. Route 1/9 and U.S. Route 22 in Newark, Essex County to an interchange with U.S. Route 46 in Clifton, Passaic County.  The route is a four- to six-lane divided highway known as McCarter Highway on its southern portion in Newark that serves as a connector between the Newark and Paterson areas, following the west bank of the Passaic River for much of its length.  It also serves as the main north–south highway through the central part of Newark, connecting attractions in downtown Newark with the Newark Liberty International Airport.  The portion of Route 21 through Newark is a surface arterial that runs alongside the elevated Northeast Corridor rail line through the southern part of the city and continues north through Downtown Newark while the portion north of Downtown Newark is a freeway.  Route 21 intersects many major roads including Interstate 78, Route 27, and Interstate 280 in Newark, Route 7 in Belleville, and Route 3 in Clifton.

Supporting paragraphs: Newark Liberty International Airport East Texas Regional Airport
Answer: Newark Liberty International Airport