Which film won the Best Picture Oscar for 1986?

What is the best-known brand name of diazepam, an anti-anxiety drug introduced in 1963? Best known for her images of the American Southwest, which painter was born in Wisconsin in November 1887? Best known for her Oscar-winning role as Mrs. Miniver, which actress died in 1996? Best known for founding the science of cybernetics, which math professor graduated from college in 1909 at age 14? Who won the Best Supporting Actress Oscar for "On the Waterfront" (1954)? Who won the Best Supporting Actress Oscar for "Paper Moon" (1973)? Who won the Best Supporting Actress Oscar for "The Piano" (1993)? Bestsellers of 1998 included which author's novels "Mirror Image" and "The Long Road Home"?