Sunday's Quiz: From The Archives

Quizwise has thousands of daily general knowledge quizzes spanning back over 10 years! Each Sunday we publish a quiz that is generated from this extensive history.

Question 1: In the original series which ran for over 15 years, from September 1998 to February 2014, how many contestants in the UK version of "Who Wants to Be a Millionaire?" won £1,000,000?