Given an open-ended topic (movie name, a persons name, an event, sports, etc) generate a simple trivia-type question.

beatrix
Who married the woman who was to become Queen Beatrix of the Netherlands, on 10 March 1966?

centre court
In 2004 it was announced that what new fixture was planned for Wimbledons Centre Court, to be completed in 2009?

royal pavilion

Which late 17th and early 18th century British architect designed Brighton Pavilion, Marble Arch, and the plan for London's Regents Park?