What is the capital of Nigeria? Answer with the city name only.
What is the largest organ of the human body? Answer with the single word only, in lowercase.
Which team won the 2024 World Series? Answer with the team nickname only (for example 'Yankees').
In what year was the United States Constitution signed? Answer with the four-digit year only.
In what year did the Watergate break-in occur? Answer with the four-digit year only.
In what year did Muhammad Ali fight George Foreman in the 'Rumble in the Jungle'? Answer with the four-digit year only.
In what year did LIGO first directly detect gravitational waves (event GW150914)? Answer with the four-digit year only.
Which team won Super Bowl LIX? Answer with the team nickname only (for example 'Yankees').
Who co-wrote 'The Communist Manifesto' with Friedrich Engels? Answer with the surname only.
How many Wimbledon singles titles did Roger Federer win? Answer with the whole number only.
In what year did the Chernobyl nuclear disaster occur? Answer with the four-digit year only.
Which country has won the most men's FIFA World Cups? Answer with the country name only.
What gas do plants take in from the air for photosynthesis? Answer with the chemical formula only.
In what year was Nelson Mandela elected President of South Africa? Answer with the four-digit year only.
