By EDWARD GUTHMANN, San Francisco Chronicle

Everyone's a critic on Oscar night. But how many of you know your Oscar trivia? Test your mettle in this Trivia Stumper, designed to challenge even the most obsessive Oscar nut.

1. In one four-year period, each of the Best Supporting Actress winners had the same initials. Name those four actresses, plus the year and the name of the film for which they won.

SAN FRANCISCO -- George Hamilton doesn't care if people call him a dandy, a twit, an aging roue. He doesn't care if they look at him and see only the suntan and the Jay Gatsby clothes, and forget that he's been a working actor for 50 years.

Memo: To the Academy of Motion Picture Arts and SciencesSubject: How to Make a Better OscarcastDear Academy,We moan and kvetch each year about the tedium of the Oscars ceremony. We've done our penance. We've watched you muck it up in countless ways. Now it's time for you to listen to us.Herewith the new rules: