Who won the Best Supporting Actress Oscar for "The Piano" (1993)?

Best known for founding the science of cybernetics, which math professor graduated from college in 1909 at age 14? Which film won the Best Picture Oscar for 1986? Who won the Best Supporting Actress Oscar for "On the Waterfront" (1954)? Who won the Best Supporting Actress Oscar for "Paper Moon" (1973)? Bestsellers of 1998 included which author's novels "Mirror Image" and "The Long Road Home"? "Betcha can't eat just one" was a longtime slogan for which snack brand? Bethlehem's tourism was hurt by which Palestinian uprising that began in 1987? Betrothed as a teen in 1744 to her cousin, the future Peter III, which German princess later became a great empress of…