How many players per team are on the court in basketball? Answer with the whole number only.
In what year did the United Kingdom hold its Brexit referendum? Answer with the four-digit year only.
In what year did the United Kingdom hold its Brexit referendum? Answer with the four-digit year only.
In what year did Isaac Newton publish the 'Principia'? Answer with the four-digit year only.
How many Olympic gold medals did Michael Phelps win? Answer with the whole number only.