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What is the capital of Turkey? Answer with the city name only.
In what year was the Kepler space telescope launched? Answer with the four-digit year only.
Which airport handled the most passengers in the world in 2024? Answer with the city name only.
In what year did South Sudan become independent? Answer with the four-digit year only.
In what year did Viking 1 land on Mars? Answer with the four-digit year only.
In what year was Cathay Pacific founded? Answer with the four-digit year only.
Who discovered the neutron in 1932? Answer with the surname only.
What is the capital of Afghanistan? Answer with the city name only.
In what year did the Tata Group take back control of Air India from the government? Answer with the four-digit year only.
In what year was 51 Pegasi b, the first exoplanet found orbiting a Sun-like star, announced? Answer with the four-digit year only.
In what year was the Chernobyl nuclear accident? Answer with the four-digit year only.
Delta Air Lines is a member of the oneworld alliance. Answer true or false.
What is the standard mains frequency of the electricity grid in continental Europe, in hertz? Answer with the whole number only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
In what year did SpaceX fly astronauts for the first time, on the Demo-2 mission? Answer with the four-digit year only.
Airport code KEF belongs to the main international airport of which country? Answer with the country name only.
In what year was sovereignty over Macau transferred from Portugal to China? Answer with the four-digit year only.
How many engines did Concorde have? Answer with the whole number only.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.
Who commanded Apollo 13? Answer with the surname only.
Which European country occupies most of the Jutland peninsula? Answer with the country name only.
What is the capital of Australia? Answer with the city name only.
In what year did Virgin Atlantic operate its first flight? Answer with the four-digit year only.
In what year did the Panama Canal open? Answer with the four-digit year only.