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In what year did Montenegro declare independence? Answer with the four-digit year only.
How many up quarks does a proton contain? Answer with the whole number only.
In what year was Neptune discovered? Answer with the four-digit year only.
In which country is the city of Timbuktu? Answer with the country name only.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.
In what year did Isaac Newton publish Opticks? Answer with the four-digit year only.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
What is the IATA code of Dubai International Airport? Answer with the three-letter code only.
In which country is Machu Picchu? Answer with the country name only.
In what year did Isaac Newton die? Answer with the four-digit year only.
What is the capital of Cuba? Answer with the English name of the city only.
Greenland is part of the Kingdom of Denmark. Answer true or false.
What is the two-character IATA code of Norwegian Air Shuttle? Answer with the two-character code only.
How many territories does Canada have? Answer with the whole number only.
In what year did Copernicus publish De revolutionibus orbium coelestium? Answer with the four-digit year only.
In what year did Yang Liwei become China's first astronaut in space? Answer with the four-digit year only.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.
How many US states border Mexico? Answer with the whole number only.
In what year was Aeroflot founded? Answer with the four-digit year only.
In what year did fragments of Comet Shoemaker-Levy 9 hit Jupiter? Answer with the four-digit year only.
What is the largest country in the world by area? Answer with the country name only.
How many spacetime dimensions does M-theory have? Answer with the whole number only.
In what year did Alaska Air Group complete its acquisition of Hawaiian Airlines? Answer with the four-digit year only.
What is the exact defined speed of light in vacuum, in meters per second? Answer with the whole number only.
In what year was Emirates airline founded? Answer with the four-digit year only.