Question: What airport was a main base for Air Lithuania and is the third largest airport in Lithuania?
Context: Luleå Airport (IATA: LLA, ICAO: ESPA) is located about 7 km south-southeast of Luleå, Sweden, near the village of Kallax.  The airport had a total of 1,177,443 passengers in 2015, and is thus Sweden's fifth largest airport.  It is the largest airport in northern Sweden (Norrland).  The runway is also used by the F 21 Luleå air force base. Smyrna Airport (IATA: MQY, ICAO: KMQY, FAA LID: MQY) is a public general aviation and military use airport located two nautical miles (4 km) north of the central business district of Smyrna, a town in Rutherford County, Tennessee, United States.  It is owned by Smyrna / Rutherford County Airport Authority.  Smyrna Airport is the third largest airport in Tennessee and is the state's busiest general aviation airport.  Prior to March 1971, the facility was an active military installation known as Sewart Air Force Base. Grand Junction Regional Airport (IATA: KGJT, ICAO: GJT) is a public airport three miles northeast of Grand Junction, in Mesa County, Colorado.  Owned by the Grand Junction Regional Airport Authority, it is the largest airport in western Colorado and third largest in the state, behind Denver International Airport and Colorado Springs Airport. Xi'an Xianyang International Airport (IATA: XIY, ICAO: ZLXY) is the main airport serving Xi'an, capital of China's Shaanxi Province, as well as the whole Guanzhong area.  Covering an area of 5 km2 , it is the largest airport in Northwest China, and the second largest airport in Northern China.  The airport was the hub for China Northwest Airlines until the company was merged into China Eastern Airlines in 2002.  Xi'an Airport is also the hub for Joy Air and a focus city for Hainan Airlines. Palma de Mallorca Airport (Catalan: "Aeroport de Palma de Mallorca" , Spanish: "Aeropuerto de Palma de Mallorca" ; IATA: PMI, ICAO: LEPA ) is an international airport located 8 km east of Palma, Majorca, Spain, adjacent to the village of Can Pastilla.  Also known as "Son Sant Joan Airport" or "Aeroport de Son Sant Joan", it is the third largest airport in Spain, after Madrid–Barajas and Barcelona.  During the summer months it is one of the busiest airports in Europe, and was used by 26.2 million passengers in 2016.  The airport is the main base for the Spanish carrier Air Europa and also a focus airport for Ryanair, EasyJet and Vueling. Northern California TRACON (NCT) (Terminal Radar Approach Control), or NorCal TRACON for short, is an air traffic control facility that provides safety alerts, separation, and sequencing of air traffic arriving, departing, and transiting the airspace and airports in Northern California.  Located in Rancho Cordova near Sacramento, NCT controls airspace over 19000 square miles, and serves Reno International Airport, Sacramento International Airport, San Jose International Airport, Oakland International Airport, and San Francisco International Airport, plus 19 other smaller airports with air traffic control towers.  NCT is the 3rd busiest TRACON in America.  NorCal TRACON is the step between local control (in an airport's control tower) and Air Route Traffic Control Center (ARTCC), in this case, Oakland Center (ICAO code: ZOA).  San Francisco International Airport is the 2nd largest airport in California and the largest airport serving Northern California. Gimpo International Airport (Korean: 김포국제공항 ] ), commonly known as Gimpo Airport (IATA: GMP, ICAO: RKSS) (formerly and originally Kimpo International Airport), is located in the far western end of Seoul, some 15 km west of the Central District of Seoul.  Gimpo was the main international airport for Seoul and South Korea before being replaced by Incheon International Airport in 2001.  In 2015, 23,163,778 passengers used the airport, making it the third largest airport in Korea, as it has been surpassed by Jeju International Airport. Tiruchirappalli International Airport (IATA: TRZ, ICAO: VOTR) is an international airport serving Tiruchirapalli in the state of Tamil Nadu, India.  It is located on Tiruchirappalli-Pudukkottai National Highway 336, about 5 km south of the city center.  The airport is ISO 9001:2008 quality certified and was declared an international airport on 4 October 2012.  It is the second largest airport in international passenger traffic after Chennai in Tamil Nadu, and Third largest in terms of total passenger traffic next to Chennai and Coimbatore.  The airport covers an area of 702 acres. Palanga International Airport (IATA: PLQ, ICAO: EYPA) is a regional international airport located near the resort town Palanga at the Baltic Sea.  It is the third largest airport in Lithuania and focuses on short and mid-range routes to European destinations.  It serves Lithuanian Baltic sea resorts of Palanga and Klaipėda and parts of western Latvia. Air Lithuania (Lithuanian: "Aviakompanija Lietuva" , literally: "Air Company "Lithuania"") was a regional airline based in Kaunas in Lithuania.  It operated scheduled and charter flights, provided cargo services and aircraft rental.  Its main bases were Kaunas International Airport (KUN) and Palanga International Airport (PLQ).
Answer: Palanga International Airport