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

washington dulles international airport
Which city is served by Dulles airport?

bronco
Who played the title role in the TV western series Bronco?

australian open

Which Swedish tennis player never won the men's singles title at Wimbledon, but during the 1980s won the US Open once, the French Open twice and the Australian Open three times?