What is the largest country in the world by area? Answer with the country name only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
In what year did Clyde Tombaugh discover Pluto? Answer with the four-digit year only.
In which country is the temple complex of Angkor Wat? Answer with the country name only.
In what year did Apollo 13 suffer its oxygen tank explosion? Answer with the four-digit year only.
What is the two-character IATA code of Lufthansa? Answer with the two-character code only.
Which dwarf planet is the largest object in the asteroid belt? Answer with the name only.
How many planets in the Solar System have ring systems? Answer with the whole number only.
In what year did the travel group Thomas Cook and its airline collapse? Answer with the four-digit year only.
In what year did Henry Cavendish carry out his experiment to measure the density of the Earth? Answer with the four-digit year only.
What is the capital of Morocco? Answer with the city name only.
In what year did Hayabusa2 return its asteroid Ryugu samples to Earth? Answer with the four-digit year only.
What is the two-character IATA code of Qantas? Answer with the two-character code only.
Which particle carries the electromagnetic force? Answer with the particle name only, in lowercase.
In what year did a door plug blow out of an Alaska Airlines Boeing 737 MAX 9 over Oregon? Answer with the four-digit year only.
In what year was Ivy Mike, the first full-scale hydrogen bomb test, detonated? Answer with the four-digit year only.
