Canada's two-dollar coin is commonly known by what nickname? Answer with the single word only, in lowercase.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
How many valence electrons does a carbon atom have? Answer with the whole number only.
In what year was the Buffalo (Indian Head) nickel first issued? Answer with the four-digit year only.
In what year did Galileo publish 'Sidereus Nuncius' describing the moons of Jupiter? Answer with the four-digit year only.
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
In what year did Uniswap airdrop its UNI governance token? Answer with the four-digit year only.
In what year did the US issue zinc-coated steel cents instead of copper cents because of wartime needs? Answer with the four-digit year only.
Which metal is liquid at room temperature? Answer with the single word only, in lowercase.
What is the SI base unit of temperature? Answer with the single word only, in lowercase.
In what year was the Kennedy half dollar first issued? Answer with the four-digit year only.
What is the maximum supply of bitcoin, in whole coins? Answer with the whole number only.
How many emoji were in Shigetaka Kurita's original 1999 set? Answer with the whole number only.
Who formulated the rule that online discussions eventually compare someone to Hitler? Answer with the surname only.
Which US senator inspired the 2021 'mittens' meme at the inauguration? Answer with the surname only.
In what year did El Salvador make bitcoin legal tender? Answer with the four-digit year only.
