Airport code ICN belongs to the main international airport of which city? Answer with the city name only.
In what year did Southwest Airlines operate its first flights? Answer with the four-digit year only.
What was the name of the helicopter that flew on Mars in 2021? Answer with the name only.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year only.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
How many federal states (Lander) does Germany have? Answer with the whole number only.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
What is the world's largest island that is not a continent? Answer with the name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.
In what year did Eritrea become formally independent from Ethiopia? Answer with the four-digit year only.
Which airline flew the first commercial Airbus A380 service, in 2007? Answer with the airline name only.
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
In what year did CERN announce the discovery of the Higgs boson? Answer with the four-digit year only.
What is the IATA code of Beijing Capital International Airport? Answer with the three-letter code only.
What is the driest non-polar desert in the world, in Chile? Answer with the desert name only, without the word Desert.
In what year did Airbus deliver the last A380? Answer with the four-digit year only.
Emirates is headquartered in Abu Dhabi. Answer true or false.
In what year did NASA's DART spacecraft impact the asteroid Dimorphos? Answer with the four-digit year only.