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

cat's eye
Who invented the road safety feature 'cat's eyes'?

elder futhark
The writing system of Elder Futhark (that was later simplified to Younger Futhark) is the oldest form of what alphabet?

moonlighting

Which famous film actor once played the detective David Addison on television?