How many French Open singles titles did Rafael Nadal win? Answer with the whole number only.
In what year was the United States Constitution signed? Answer with the four-digit year only.
Which planet is closest to the Sun? Answer with the name only.
Norway is a member of NATO. Answer true or false.
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.
Michael Jordan won all six of his NBA titles with the Chicago Bulls. Answer true or false.
In what year was the Maastricht Treaty signed? Answer with the four-digit year only.
Who proposed the hypothesis of continental drift in 1912? Answer with the surname only.
In what year did Kobe Bryant score 81 points in an NBA game? Answer with the four-digit year only.
In what year were the first Nobel Prizes awarded? Answer with the four-digit year only.
In what year did Mount St. Helens have its major eruption? Answer with the four-digit year only.
How high is a regulation basketball rim above the floor, in feet? Answer with the whole number only.
Which men's footballer holds the record for most international goals? Answer with the surname only.
In what year did Christiaan Barnard perform the first human-to-human heart transplant? Answer with the four-digit year only.
How many men's major golf championships did Jack Nicklaus win? Answer with the whole number only.
How many points did Wilt Chamberlain score in his record single NBA game? Answer with the whole number only.
