Which river flows through both Vienna and Budapest? Answer with the English river name only, without the word River.
Airport code ICN belongs to the main international airport of which city? Answer with the city name only.
What is the name of NASA's program to return astronauts to the Moon, named after Apollo's twin sister? Answer with the name only.
How many federal states (Lander) does Germany have? Answer with the whole number only.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
Emirates is headquartered in Abu Dhabi. Answer true or false.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
Water at standard pressure freezes at how many degrees Fahrenheit? Answer with the whole number only.
What is the IATA code of Newark Liberty International Airport? Answer with the three-letter code only.
What is the two-character IATA code of Korean Air? Answer with the two-character code only.
Airport code ORD belongs to the main international airport of which US city? Answer with the city name only.
In what year did Galileo publish his 'Dialogue Concerning the Two Chief World Systems'? Answer with the four-digit year only.
How many countries share a land border with Brazil? Answer with the whole number only.
who won the nba finals in 2025?
Who is the actor who has won the most Oscars?
In what month of 2020 did Donald Trump announce he had tested positive for COVID-19? Answer with the month number (1-12) only.
N95 respirators are named for filtering at least what percent of airborne particles? Answer with the whole number only.
