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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.
What is the capital of Norway? 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 Kazakhstan move its capital from Almaty to Astana? Answer with the four-digit year only.
In what year did the Panama Canal open? Answer with the four-digit year only.
Norway is a member of the European Union. Answer true or false.
Lufthansa is headquartered in France. Answer true or false.
Which mountain range forms most of the border between France and Spain? Answer with the English name only, one word.
Saturn's average density is lower than that of water. Answer true or false.
What is the two-character IATA code of Swiss International Air Lines? Answer with the two-character code only.
In what year did London Heathrow's Terminal 5 open? Answer with the four-digit year only.
What is the longest river in Asia? Answer with the English river name only, without the word River.
In what year did Edwin Hubble publish the relation between galaxy distance and recession velocity? Answer with the four-digit year only.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
How many sovereign countries are there in South America? Answer with the whole number only.
How many characters long is an ICAO airport code? Answer with the whole number only.
In what year was the kilogram redefined in terms of the Planck constant, taking effect on 20 May? Answer with the four-digit year only.
What is the capital of the US state of Pennsylvania? Answer with the city name only.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
How many meters is one astronomical unit, as defined exactly by the IAU in 2012? Answer with the whole number only.
What is the largest moon in the Solar System? Answer with the name only.