"You just slip out the back, Jack, make a new plan, Stan" are lyrics from which 1976 No. 1 hit?

What is the name of the condition characterized by frequent, uncontrollable episodes of deep sleep? Who scored the first perfect 10 in Olympic gymnastics history, at the 1976 Montreal Games? Which famous Milan opera house opened in 1778? In which 1976 film does the hero shout "Yo, Adrian!"? Which 1976 film features the line "You talkin' to me?" Who won the 1976 U.S. presidential election? The NAACP's Spingarn Medal went to dancer Alvin Ailey in 1976 and to which "rhyming" author, of "Roots", in 1977? Who sang with Elton John on the 1976 No. 1 duet "Don't Go Breaking My Heart"?