How high is a regulation basketball rim above the floor, in feet? Answer with the whole number only.
In what year did Albert Einstein present the field equations of general relativity? Answer with the four-digit year only.
How many members does the United States Senate have? Answer with the whole number only.
Who has been Chief Justice of the United States since 2005? Answer with the surname 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.